2004 GMC Sierra 2500 HD Exhaust Parts

Name: Exhaust Tail Pipe 3" Inlet (OD) 3" Outlet (OD)
Brand: Walker
SKU: 55421
Price: 213.99 USD

Below you will find various in-demand GMC Exhaust Parts, components and accessories for your 2004 Sierra 2500 HD. Advance Auto Parts has popular Sierra 2500 HD parts like Exhaust Pipes, Exhaust Mufflers, Exhaust Hangers and more. You’ll also find aftermarket and OEM Exhaust Parts for other Sierra 2500 HD model years including 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and more. Select a category of 2004 GMC Sierra 2500 HD Exhaust Parts below and start saving instantly.

Popular 2004 GMC Sierra 2500 HD Exhaust Parts Categories

Exhaust Manifold Hardware Kits

Exhaust Manifold and Headers

Mufflers

Exhaust System Insulators

Catalytic Converters

Tail Pipes

Exhaust Manifold and Header Hardware

Catalytic Converter Gaskets

Exhaust System Kits

Exhaust Pipes

Exhaust Hangers and Hardware

Exhaust Manifold Gaskets

Exhaust Clamps

Exhaust Pipe and Flange Gaskets

Exhaust Manifold Bolts

Exhaust Pipe Adapters

Exhaust Muffler Gaskets

Essential Exhaust Parts for 2004 GMC Sierra 2500 HDs

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$213.99

Made from aluminized steel for durability, Walker premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

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$8.79

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$1331.99

Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:

EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO or NY. Legal inME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

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$17.49

Complete your exhaust repair with Walker? Connectors. Featuring a smooth, burr-free finish for proper fitment, Walker? Connectors are? Manufactured from durable and robust material for long service life.?

Product Features:

THE RIGHT CONNECTION — For connecting exhaust pipe and/or tubing
THE RIGHT CONNECTION — For connecting exhaust pipe and/or tubingá
SMOOTH FINISH — Burr-free construction for proper fitment
SMOOTH FINISH — Burr-free construction for proper fitmentá
QUALITY MATERIALS?–?Made from aluminized steel for durability and long life?
QUALITY MATERIALS?–?Made from aluminized steel for durability and long life?á
BETTER TOGETHER?–?Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
BETTER TOGETHER?–?Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgradeá

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$22.49

This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:

Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$237.99

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

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$154.99

Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles.

Product Features:

EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
RESISTS CORROSION — Internal drainage system helps reduce moisture collection
BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

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$191.99

The only broad-market muffler body with 100% stainless-steel construction, Walker Quiet-Flow SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Product Features:

CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler body with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

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$14.44

Exhaust Seal Ring

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$10.29

Complete your exhaust repair with an Exhaust Mate U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:

CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS?–?Made from quality material for durability and long life
BETTER TOGETHER — Use Walker accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

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$43.99

This exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles. Manufactured from quality materials for reliability, it is engineered to help ensure secure connections between exhaust system components.

Product Features:

Direct replacement – this exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles.
Ideal solution – engineered to help ensure secure connections between exhaust system components.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$51.99

This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud.
Location-specific – engineered to fit the exhaust manifold on specified GM and Isuzu vehicles on the front right on vehicles without EGR valve, or rear left.
Complete kit – includes clamp and fasteners for a thorough, secure repair
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$24.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Designed and manufactured to meet the needs of the exhaust system repair environment.
Verified, tested and certified proprietary Organic coating resists corrosion.
Tightly controlled coefficient of friction ensures reliable installation.
Application specific kit contents
Self-locking nuts (where applicable).

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$23.99

As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$25.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function
Contains all gaskets and seals to remove and replace exhaust manifold
Contains all gaskets and seals to remove and replace exhaust manifold

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$9.99

Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:

AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
HEAT RESISTANT — Designed to resist heat for long-lasting performance
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$16.20

Exhaust Pipe Gasket

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$101.99

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:

Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.
Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance.
Complete repair – includes all necessary gaskets and downpipe hardware
Trustworthy design – built by industry leader in aftermarket manifolds

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$415.99

Shorty Smog Headers

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$35.60

Exhaust Bolt

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$7.79

Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they¿re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:

OE DESIGN — Designed with OE-style features for easy installation and fit
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$539.99

Built from heavy duty aluminized steel our Performance Series exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major point of rust through with some budget systems our fully sealed tubing adds years to your system. Featuring a two-piece tail wee replaced the muffler with an MBRP muffler delete pipe to provide you with the ultimate in free flow exhaust. Constructed to the same specifications as our top of the line Pro Series we back this line with a 1 Year Warranty.

Product Features:

PLM-Performance Series Turbo Back System
Built From Heavy Duty Aluminized Steel
Features More Pulling Power, Improved Throttle Response, Greater Fuel Efficiency
Minimizes Backpressure
Offers A Value Price Without Compromising On The Quality Built Into Every Component
Provides You With The Ultimate In Free Flow Exhaust

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$1312.99

The MagnaFlow Street Series Cat-Back Performance Exhaust System 19027 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Clamp-On Double Wall Angle Cut Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck’s to shame. With this system your vehicle will be producing Aggressive exterior and Moderate interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 19027 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 19027 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

Dyno-proven performance
Durable corrosion-resistant stainless steel construction
CNC precision robotic manufacturing techniques

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$954.99

PRO Series is the best performance exhaust system that money can buy. It is a series designed and built for the serious enthusiast who will settle for nothing less. Constructed from T304 stainless steel it delivers you optimal durability that keeps on looking its best. Easy to clean and maintain this is the product of choice for owners of lifted vehicles, show trucks or who operate in severe environments.

Product Features:

4 Inch Cat Back Single Side Exit (Street Version) Exhaust System
4 Inch Mandrel Bent Tubing
Moderate Sound Level
Bolt On, No Weld Design Makes Installation A No Hassle One And A Half To Two Hour Project
Limited Lifetime Warranty

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$26.99

This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:

Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance.
Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$40.49

Complete your exhaust repair with DynoMax exhaust system hangers. Designed with OE-style features (where applicable) to support undercar exhaust components, DynoMax exhaust system hangers are manufactured from durable and robust material for long service life.

Product Features:

KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
OE DESIGN — Designed with OE-style features (where applicable) for easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS¿–¿Made from quality steel for durability and long life
PREMIUM MATERIALS┐–┐Made from quality steel for durability and long life
BETTER TOGETHER — Use premium DynoMax« accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade
BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$17.29

Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:

Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Upgrade your 2004 GMC Sierra 2500 HD with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2004 GMC Sierra 2500 HD, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Exhaust Parts are key to keeping your Sierra 2500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 107 Exhaust Parts for the 2004 GMC Sierra 2500 HD, designed to meet your needs without breaking the bank. From Exhaust Pipe replacements to Exhaust Mufflers upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Exhaust Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Exhaust Parts for your 2004 GMC Sierra 2500 HD at great prices. Our Exhaust Parts inventory for this model ranges from just $5.79 to $1,307.99, with an average price of $190.55. Our 107 Exhaust Parts in stock come from 17 trusted brands, so you’re sure to find the right part for your 2004 GMC Sierra 2500 HD without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2004 GMC Sierra 2500 HD, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, Walker, Dorman, and more. FELPRO Exhaust Parts start at just $6.49 and boast an impressive 5 stars average rating from customers. Walker and Dorman also bring quality to the table, with Exhaust Parts available starting at $7.79, and at an average 4 stars rating. With 3,036 customer reviews and counting, our 2004 GMC Sierra 2500 HD Exhaust Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Exhaust Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2004 GMC Sierra 2500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 2500 HD in top shape, all in one place. Start shopping confidently below for your 2004 GMC Sierra 2500 HD!

Best-Selling Exhaust Pipes for 2004 GMC Sierra 2500 HDs

Enhance the driving experience in your GMC with 25 quality Exhaust Pipe components, starting at $6.49.

show more show less

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$17.49

AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
HEAT RESISTANT — Designed to resist heat for long-lasting performance
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

from

$17.49

THE RIGHT CONNECTION — For connecting exhaust pipe and/or tubing
THE RIGHT CONNECTION — For connecting exhaust pipe and/or tubingá
SMOOTH FINISH — Burr-free construction for proper fitment
SMOOTH FINISH — Burr-free construction for proper fitmentá
QUALITY MATERIALS?–?Made from aluminized steel for durability and long life?
QUALITY MATERIALS?–?Made from aluminized steel for durability and long life?á
BETTER TOGETHER?–?Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
BETTER TOGETHER?–?Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgradeá

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$13.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$190.00

The MagnaFlow Turbo Downpipe 15398 is a 3in. diameter mandrel bent stainless steel pipe designed to connect near your turbocharger and i’s weight-optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.

Product Features:

Mandrel bent tubing
CNC precision robotic manufacturing techniques
Durable corrosion-resistant stainless steel construction

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$6.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

from

$11.99

AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
HEAT RESISTANT — Designed to resist heat for long-lasting performance
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$8.79

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

from

$249.99

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

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$8.99

MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
Exhaust pipe gaskets from MAHLE Original are manufactured with the best materials to withstand high temperature applications.
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$7.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$57.99

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
COMPATIBILITY — Ideal for weld or clamp installations

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$213.99

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

from

$189.99

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

from

$51.99

Customize your exhaust system with a DynoMax® stainless steel tip. Made of high-grade 304 polished stainless steel, DynoMax exhaust tips are available in a variety of sizes making it easy to bolt on a custom look.

Product Features:

CUSTOM LOOK — Enhance your exhaust system with this tip that features an embossed DynoMax® logo
SINGLE-WALL DESIGN — Features one layer of premium 304 polished stainless steel that is slant-cut for a sleek look
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of sizes to work with a wide range of exhaust systems
EASY TO INSTALL — Clamp-on installation for an easy upgrade
BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$187.99

Made from quality materials for durability, DynoMax pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

IMPROVED FLOW CAPACITY — Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
DESIGNED TO PERFORM — Fixture checked to ensure a precise fit for quick and easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS?–?Made from stainless steel for durability and long life
BETTER TOGETHER — Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$122.99

RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

from

$20.99

AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
HEAT RESISTANT — Designed to resist heat for long-lasting performance
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$153.99

Made from quality materials for durability, DynoMax pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

IMPROVED FLOW CAPACITY — Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
DESIGNED TO PERFORM — Fixture checked to ensure a precise fit for quick and easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS?–?Made from stainless steel for durability and long life
BETTER TOGETHER — Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$189.99

ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great choice for you if you live in a dry climate that does not see much precipitation, or if you are looking for great sound on a budget. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine cylinders, allowing it to produce more power and improve vehicle performance and longevity.

Product Features:

Heavy-Gauge Aluminized Steel Tubing Helps To Resist Dings And Dents Caused By Debris Under Vehicle
Mandrel Bending Ensures No Rippling In The Bends
Good Durability
Easy To Install

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$111.99

The MagnaFlow 4″ X 34″ Extension 15451 includes a 34in. long, 4in. diameter stainless steel pipe optimized for superior flow characteristics and performance. 15451 is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.

Product Features:

Superior flow & performance
CNC precision robotic manufacturing techniques
Durable corrosion-resistant stainless steel construction

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$35.99

Damaged exhaust gaskets causing an exhaust leak? This exhaust flange gasket seals the exhaust system where two components are joined by a flange. This direct-replacement gasket matches the original design for a perfect fit.

Product Features:

Direct replacement – this exhaust flange gasket matches the original gasket for a perfect fit.
Complete repair solution – this flange gasket should be replaced any time service is performed on any of the related exhaust components
Excellent value – original equipment quality at a competitive price
Quality tested – This gasket has undergone material testing to meet product standards and quality

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$20.49

BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:

Designed to facilitate hassle-free exhaust repair
Precise fitment
Manufactured from quality materials to ensure maximum durability
Designed for a leak free connection
OE structure and design
Built to OEM specifications
Secure gas-tight connection

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$16.79

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$12.49

GM Genuine Parts Exhaust Manifold Flange Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets provide a seal between the cylinder head and the exhaust manifold. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps seal against leaks in the exhaust system
Helps seal against excessive noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies
Collision parts are designed to help promote proper and safe repair

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$12.49

MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
Exhaust pipe gaskets from MAHLE Original are manufactured with the best materials to withstand high temperature applications.
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

Most Popular 2004 GMC Sierra 2500 HD Exhaust Mufflers

Customize your GMC with 7 Exhaust Mufflers products like Mufflers and Exhaust Muffler Gaskets, all priced under $319.99.

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$212.99

The only broad-market muffler with 100% stainless-steel construction, Walker Quiet-Flow SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Product Features:

CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

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$319.99

Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles.

Product Features:

EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
RESISTS CORROSION — Internal drainage system helps reduce moisture collection
BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

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$154.99

Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles.

Product Features:

EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
RESISTS CORROSION — Internal drainage system helps reduce moisture collection
BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

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$247.99

Designed primarily for today’s heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle response and mileage. Featuring a deeper, moderate tone with minimal resonance, it is ideal for trucks with modified engines. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$154.99

The Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Product Features:

Durable fully welded 409 stainless steel
Deep aggressive exhaust note
Noticeable interior resonance
Excellent performance on high horsepower vehicles
No internal packing to blowout

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$147.99

Featuring 100% aluminized steel for longer service life compared to low-carbon steel, WalkeráSoundFX« direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:

RESISTS CORROSIONá–áAluminized steel construction and internal drainage system helps reduceácorrosion
BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot weldsáprovideástability and longer service life
EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn┐t require specialized fabricationáand/or welding
FACTORY SOUNDá–áLouvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life

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$14.44

Exhaust Seal Ring

Top Picks for 2004 GMC Sierra 2500 HD Exhaust Hangers

Upgrade GMC Sierra 2500 HDs with top-quality Exhaust Hangers parts, including 3 OEM and aftermarket selections for your 2004 model.

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$7.79

OE DESIGN — Designed with OE-style features for easy installation and fit
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$17.29

Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:

Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$26.99

Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance.
Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

In-Demand Exhaust Fittings for 2004 GMC Sierra 2500 HDs

Select from 6 premium Exhaust Fittings parts for your 2004 GMC Sierra 2500 HD, with prices ranging from $5.79 to $85.99.

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$69.99

Direct replacement – this exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles.
Ideal solution – engineered to help ensure secure connections between exhaust system components.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$10.29

CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS?–?Made from quality material for durability and long life
BETTER TOGETHER — Use Walker accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

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$43.99

Direct replacement – this exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles.
Ideal solution – engineered to help ensure secure connections between exhaust system components.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$85.99

Exhaust Clamp

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$8.99

CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS?–?Made from quality material for durability and long life
BETTER TOGETHER — Use Walker accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

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$5.79

Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards.

Product Features:

whilst developing the exhaust system
BRExhaust also develops the installation hardware to the same standards.

Most Sold 2004 GMC Sierra 2500 HD Exhaust Manifold and Headers

Explore our best-selling GMC parts for the 2004 Sierra 2500 HD among 14 OEM and aftermarket options starting from $12.79.

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$114.99

Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:

Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking.
Complete kit – includes new manifold, manifold gasket, flange gasket, 3 studs, 3 nuts.
Direct fit – reverse engineered from original equipment for seamless installation
Quality engineering – designed and tested in the United States

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$17.99

Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles.
Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$162.99

Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking.
Complete kit – includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts.
Direct fit – reverse engineered from original equipment for seamless installation
Quality engineering – designed and tested in the United States

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$12.79

Black oxide finished carbon steel header bolts have a compact hex head and the flange is ideal for use where space is minimal – your typical header flange. Includes twelve (12) M8 – 1.25 x 25mm header bolts.

Product Features:

12 per Package
Fits GM LS Series Engines
Black Oxide Finish Resists Corrosion

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$415.99

Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.
Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance.
Complete repair – includes all necessary gaskets and downpipe hardware
Trustworthy design – built by industry leader in aftermarket manifolds

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$249.99

Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.
Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance.
Complete repair – includes all necessary gaskets and downpipe hardware
Trustworthy design – built by industry leader in aftermarket manifolds

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$35.60

Exhaust Bolt

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$101.99

Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.
Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance.
Complete repair – includes all necessary gaskets and downpipe hardware
Trustworthy design – built by industry leader in aftermarket manifolds

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$85.99

Vibe Lock Header Bolt Kit

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$58.99

Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:

12 per Package
Includes Ball Head Socket Tool – to Start Header Bolt Into Head
410 stainless steel
Minimum 180,000 PSI tensile strength
24 equally spaced clockwise teeth

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$1307.99

The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2″ thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA.

Product Features:

No Cutting Or Drilling Required
Formed Collectors
Heavy Duty Flanges

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$647.99

Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.
Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance.
Complete repair – includes all necessary gaskets and downpipe hardware
Trustworthy design – built by industry leader in aftermarket manifolds

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$28.99

Upgraded hardware – this set of twelve M8-1.25 x 30mm exhaust manifold mounting bolts are 100 percent stainless steel for superior heat and corrosion resistance.
Convenient solution – kit contains all the application-specific hardware necessary to install one exhaust manifold
Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$22.49

Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Top-Rated Exhaust Parts Brands For Your 2004 GMC Sierra 2500 HD

Shop for the best-rated brands offering Exhaust Parts and other products for your 2004 GMC Sierra 2500 HDs. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Walker, and Dorman, and more. Exhaust Parts from these brands that fit a 2004 Sierra 2500 HD start at just $6.49 and are rated as high as 5 stars. OEM and aftermarket Exhaust Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular FELPRO 2004 GMC Sierra 2500 HD Exhaust Parts

When it comes to maintaining or upgrading your 2004 GMC Sierra 2500 HD, using quality Exhaust Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Exhaust Parts, specifically designed for the 2004 GMC Sierra 2500 HD. With over 10 FELPRO brand Exhaust Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.49, with an average price of just $18.92. Plus, with over 55 customer reviews and an average rating of 5 stars, you can trust that our FELPRO Exhaust Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$24.99

This product is not rated

EXHAUST MANIFOLD BOLT SET

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$7.99

This product is not rated

Exhaust Pipe Flange Gasket

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$11.32

This product is not rated

Exhaust Pipe Gasket

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Popular Walker 2004 GMC Sierra 2500 HD Exhaust Parts

Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 2004 GMC Sierra 2500 HD owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 2004 Sierra 2500 HD, Advance Auto Parts carries a full inventory of 23 Walker Exhaust Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Walker Exhaust Parts range from $7.79 to $849.99, plus, with more than 84 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Exhaust Parts below will deliver on both quality and value.

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$319.99

This product is not rated

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

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$249.99

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Exhaust Tail Pipe 3" Inlet (OD) 3" Outlet (OD)

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$212.99

This product is not rated

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3" Outlet (ID)

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FAQs for 2004 GMC Sierra 2500 HD Exhaust Parts

Which Exhaust Parts are best-sellers for 2004 GMC Sierra 2500 HDs?

Out of 107 Exhaust Parts that fit 2004 GMC Sierra 2500 HDs, the following parts are the top sellers:

Exhaust System Hanger Insulator (18370344) – $7.79
Exhaust Manifold Gasket Set (15780316) – $31.99
Exhaust Clamp (10083053) – $10.29

What’s the price range for 2004 GMC Sierra 2500 HD Exhaust Parts?

Exhaust Part prices for the 2004 GMC Sierra 2500 HD start at $5.79 and go up to $1,307.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2004 GMC Sierra 2500 HD?

The average price for Exhaust Parts for the 2004 GMC Sierra 2500 HD is $190.55. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Exhaust Parts for other GMC Sierra 2500 HD model years?

Yes, we currently carry Exhaust Parts for 22 model years of GMC Sierra 2500 HDs between 2001 and 2023. Exhaust Parts are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Exhaust Parts for my 2004 GMC Sierra 2500 HD?

The cheapest 2004 GMC Sierra 2500 HD Exhaust Parts we carry in stock are:

Exhaust Clamp (50169834) – $5.79
Exhaust Pipe Flange Gasket (20688659) – $6.49
Exhaust System Hanger Insulator (18370344) – $7.79
Exhaust Pipe Flange Gasket (20688291) – $7.99
Exhaust Pipe Flange Gasket (20688143) – $8.79

What are the top-rated Exhaust Parts that fit the 2004 GMC Sierra 2500 HD?

Out of 3,036 reviews by customers, our 2004 GMC Sierra 2500 HD Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2004 GMC Sierra 2500 HD and their top-rated products:

Exhaust Fittings
- Exhaust Down Pipe V-Band Clamp (11189533) – $69.99
- Exhaust Clamp (10083053) – $10.29
- Exhaust Down Pipe V-Band Clamp (11189528) – $43.99
Exhaust Gaskets
- Exhaust Down Pipe V-Band Clamp (11189533) – $69.99
- Exhaust Clamp (10083053) – $10.29
- Exhaust Down Pipe V-Band Clamp (11189528) – $43.99

What types of Exhaust Parts do you sell for my 2004 GMC Sierra 2500 HD?

As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2004 GMC Sierra 2500 HD:

Can I get help with 2004 GMC Sierra 2500 HD Exhaust Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Exhaust Parts and more.

What is your return policy for GMC Sierra 2500 HD Exhaust Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2004 GMC Sierra 2500 HD Exhaust Parts

Walker – Exhaust Tail Pipe 3" Inlet (OD) 3" Outlet (OD) (Part No.55421)

Felpro – Exhaust Pipe Flange Gasket (Part No.61287)

Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.50572)

Walker – Exhaust Pipe Connector 3" Inlet (ID) 2.5" Outlet (OD) (Part No.41974)

Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)

Walker – Exhaust Tail Pipe 3.5" Inlet (OD) 3.5" Outlet (OD) (Part No.56267)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21522)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 3.5" Outlet (OD) (Part No.21616)

Mahle – Exhaust Seal Ring (Part No.H4002206261MAH)

Walker – Exhaust Clamp (Part No.35794)

Dorman – Exhaust Down Pipe V-Band Clamp (Part No.904-148)

Dorman – Exhaust Manifold Clamp Repair (Part No.917-107)

Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75120)

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10264-01)

Felpro – Exhaust Manifold Gasket Set (Part No.MS 95840)

Walker – Exhaust Pipe Flange Gasket (Part No.31610)

Mahle – Exhaust Pipe Gasket (Part No.H4006205963MAH)

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-731)

Flowtech – Shorty Smog Headers (Part No.91835FLT)

Dorman – Exhaust Bolt (Part No.H80151097742DOR)

Walker – Exhaust System Hanger Insulator (Part No.35229)

MBRP Exhaust – Aluminized Steel, 5"Dia Pipe, Single Exhaust With Single Side Exit (Part No.S60200PLM)

MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.19027)

MBRP Exhaust – Pro Series, 4 In Cat Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound (Part No.S5093304)

Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

Dynomax – 36409 Exhaust System Hanger (Part No.36409)

Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)

Walker – Exhaust Pipe Flange Gasket (Part No.31718)

Walker – Exhaust Pipe Connector 3" Inlet (ID) 2.5" Outlet (OD) (Part No.41974)

Felpro – Exhaust Pipe Flange Gasket (Part No.61457)

MagnaFlow – Performance Exhaust Diesel Turbo Downpipe (Part No.15398)

Felpro – Exhaust Pipe Flange Gasket (Part No.61323)

Walker – Exhaust Pipe Flange Gasket (Part No.31574)

Felpro – Exhaust Pipe Flange Gasket (Part No.61287)

Walker – Exhaust Tail Pipe 3" Inlet (OD) 3" Outlet (OD) (Part No.55538)

MAHLE Original – Exhaust Pipe Gasket (Part No.F31903)

Felpro – Exhaust Pipe Flange Gasket (Part No.61379)

Walker – Exhaust Pipe 3" Inlet (ID) 3" Outlet (OD) (Part No.53727)

Walker – Exhaust Tail Pipe 3" Inlet (OD) 3" Outlet (OD) (Part No.55421)

Walker – Exhaust Tail Pipe 3" Inlet (OD) 3" Outlet (OD) (Part No.55385)

Dynomax – 36477 Exhaust Pipe Spout (Part No.36477)

Dynomax – Exhaust Tail Pipe (Part No.55509)

Walker – Exhaust Pipe (Part No.55556)

Walker – Exhaust Pipe Flange Gasket (Part No.31591)

Dynomax – Exhaust Intermediate Pipe (Part No.55510)

MBRP Exhaust – 3"Dia Pipe, This Product Is In Compliance With California Regulations (Part No.GMCA424)

MagnaFlow – Exhaust Diesel Pipe (Part No.15451)

Dorman – HD Solutions – Exhaust Pipe Flange Gasket Kit (Part No.674-9060)

BRExhaust – Exhaust Flange Gasket (Part No.256-1080)

Victor Reinz – Exhaust Pipe Flange Gasket (Part No.71-13629-00)

GM Genuine Parts – Turbocharger Inlet Pipe Gasket (Part No.97188685)

MAHLE Original – Exhaust Pipe Gasket (Part No.F32423)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3" Outlet (ID) (Part No.21533)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22307)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21522)

Flowmaster Inc. – 50 Series Muffler, 3.5in Offset Inlet 3.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.953558)

Flowmaster Inc. – Super 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.853048)

Walker – SoundFX Direct Fit Exhaust Muffler (Part No.27263)

Mahle – Exhaust Seal Ring (Part No.H4002206261MAH)

Walker – Exhaust System Hanger Insulator (Part No.35229)

Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)

Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

Dorman – Exhaust Down Pipe V-Band Clamp (Part No.904-254)

Walker – Exhaust Clamp (Part No.35794)

Dorman – Exhaust Down Pipe V-Band Clamp (Part No.904-148)

Dorman – Exhaust Clamp (Part No.H8020683618DOR)

Walker – Exhaust Clamp (Part No.35337)

BRExhaust – Exhaust Clamp (Part No.250-076)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-522)

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-732)

Mr. Gasket – Black Oxide Header Bolts for Tight Spaces (Part No.918G)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-729)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-736)

Dorman – Exhaust Bolt (Part No.H80151097742DOR)

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-731)

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310070)

Mr. Gasket – Exhsthdrbolt (Part No.2235G)

aFe POWER – Twisted Steel Header (Part No.48-44001)