2003 Chevrolet Express 2500 Exhaust Parts

Name: Exhaust Bolt
Brand: Dorman
SKU: H80151097742DOR
Price: 35.60 USD

Below you will find various in-demand Chevrolet Exhaust Parts, components and accessories for your 2003 Express 2500. Advance Auto Parts has popular Express 2500 parts like Exhaust Hangers, Exhaust Pipes, Exhaust Mufflers and more. You’ll also find aftermarket and OEM Exhaust Parts for other Express 2500 model years including 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and more. Select a category of 2003 Chevrolet Express 2500 Exhaust Parts below and start saving instantly.

Popular 2003 Chevrolet Express 2500 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 Pipes

Exhaust Hangers and Hardware

Exhaust Manifold Gaskets

Exhaust Clamps

Exhaust Pipe and Flange Gaskets

Exhaust Manifold Bolts

Essential Exhaust Parts for 2003 Chevrolet Express 2500s

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$35.60

Exhaust Bolt

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$40.99

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
Set of 12
3/8” Wide Header Flange
1.181? Underhead Length

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$19.29

This engine manifold stud and nut match the fit and function of the original hardware on specific makes and models. Ensure a thorough manifold repair or installation with this durable and reliable hardware.

Product Features:

Direct replacement – this engine manifold stud and nut match the fit and function of the original stud and nut on specified years, makes and models.
Ideal solution – replaces missing or damaged hardware to ensure a thorough manifold installation or repair
Durable construction – made of quality materials for reliable service life
Quality assured – backed by a team of product engineers based in the United States

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$9.99

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:

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

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$10.93

The AP Exhaust / Exhaust Clamp is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

Premium aftermarket replacement
Provides performance and dependability
Manufactured to meet OE specifications

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$2.99

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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$13.87

Exh. Man. to Pipe Ga

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$11.33

Exh. Man. to Pipe Ga

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$91.99

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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$75.99

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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$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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$68.99

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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$234.99

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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$161.99

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

from

$16.29

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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$15.29

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

$239.99

Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker Ultra Universal Catalytic Converters 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 & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
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
DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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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$296.94

CATALYTIC CONVERTER

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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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$209.99

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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$105.99

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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$17.99

GM Genuine Parts Exhaust Manifold Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They help form a gas-tight connection between the exhaust manifold and cylinder heads. 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 prevent exhaust leaks
Helps provide a tight seal where the exhaust manifold mounts to the engine block
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

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$31.99

Remflex unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees – day after day, week after week, year after year. Now, they are bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.

Product Features:

100 Percent Flexible Graphite Construction
Designed To Withstand Clamping Force And Incredible Heat
Eliminate Exhaust Leaks
No Re-Torquing Necessary, Remflex Exhaust Gaskets Rebound 30 Percent, Creating An Optimum Seal That Eliminates The Need To Re-Torque

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$48.99

Seal-4-Good Header Flange Gasket

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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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$47.99

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 the front left or rear right on specified GM and Isuzu vehicles.
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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$20.29

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

Upgrade your 2003 Chevrolet Express 2500 with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2003 Chevrolet Express 2500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Exhaust Parts are key to keeping your Express 2500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 94 Exhaust Parts for the 2003 Chevrolet Express 2500, designed to meet your needs without breaking the bank. From Exhaust Hanger replacements to Exhaust Pipes 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 2003 Chevrolet Express 2500 at great prices. Our Exhaust Parts inventory for this model ranges from just $2.99 to $1,914.99, with an average price of $236.34. Our 94 Exhaust Parts in stock come from 14 trusted brands, so you’re sure to find the right part for your 2003 Chevrolet Express 2500 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 2003 Chevrolet Express 2500, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, Walker, Dorman, and more. FELPRO Exhaust Parts start at just $5.29 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 $2.99, and at an average 4 stars rating. With 2,194 customer reviews and counting, our 2003 Chevrolet Express 2500 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 2003 Chevrolet Express 2500 is always ready to roll. We’re committed to providing you with everything you need to keep your Express 2500 in top shape, all in one place. Start shopping confidently below for your 2003 Chevrolet Express 2500!

Best-Selling Exhaust Hangers for 2003 Chevrolet Express 2500s

Enhance the driving experience in your Chevrolet with 3 quality Exhaust Hanger components, starting at $7.79.

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from

$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

from

$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

from

$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

Most Popular 2003 Chevrolet Express 2500 Exhaust Pipes

Customize your Chevrolet with 9 Exhaust Pipes products like Exhaust Pipe and Flange Gaskets, Exhaust Pipes, and Tail Pipes, all priced under $91.99.

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from

$5.29

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

$17.49

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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$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

$6.79

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

$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

$75.99

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

$68.99

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

from

$91.99

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

$34.99

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

Top Picks for 2003 Chevrolet Express 2500 Exhaust Mufflers

Upgrade Chevrolet Express 2500s with top-quality Exhaust Mufflers parts, including 3 OEM and aftermarket selections for your 2003 model.

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from

$192.99

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

from

$258.99

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

from

$161.99

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

In-Demand Exhaust Fittings for 2003 Chevrolet Express 2500s

Select from 3 premium Exhaust Fittings parts for your 2003 Chevrolet Express 2500, with prices ranging from $2.99 to $47.49.

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from

$2.99

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

from

$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

from

$47.49

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

Most Sold 2003 Chevrolet Express 2500 Exhaust Manifold and Headers

Explore our best-selling Chevrolet parts for the 2003 Express 2500 among 14 OEM and aftermarket options starting from $12.79.

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from

$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

from

$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

from

$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

from

$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

from

$114.99

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

from

$35.60

Exhaust Bolt

from

$209.99

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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$40.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
Set of 12
3/8” Wide Header Flange
1.181? Underhead Length

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$189.99

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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$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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$199.26

More like a complete kit than a single part, many of our Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.

Product Features:

Heat-shield may be included for protection of engine components where applicable
Cast iron or stainless tubular construction protects against warping or cracking
Leak-resistant for long-lasting performance
A rigorous quality inspection has been undertaken to ensure product standards

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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 2003 Chevrolet Express 2500

Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Chevrolet Express 2500s. 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 2003 Express 2500 start at just $2.99 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 2003 Chevrolet Express 2500 Exhaust Parts

When it comes to maintaining or upgrading your 2003 Chevrolet Express 2500, 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 2003 Chevrolet Express 2500. With over 9 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 $5.29, with an average price of just $16.26. Plus, with over 72 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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$19.16

This product is not rated

Exh. Manifold Gasket

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$11.32

This product is not rated

Exhaust Pipe Gasket

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$24.99

This product is not rated

EXHAUST MANIFOLD BOLT SET

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Popular Walker 2003 Chevrolet Express 2500 Exhaust Parts

Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Chevrolet Express 2500 owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 2003 Express 2500, Advance Auto Parts carries a full inventory of 30 Walker Exhaust Parts. Plus you will be keeping your Chevrolet in peak condition while saving money because prices on these Walker Exhaust Parts range from $2.99 to $1,073.99, plus, with more than 94 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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$192.99

This product is not rated

Quiet-Flow SS Direct Fit Exhaust Muffler 2.625" Outlet (ID)

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$641.99

This product is not rated

CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID)

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$75.99

This product is not rated

Exhaust Tail Pipe 2.625" Inlet (OD) 2.625" Outlet (OD)

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FAQs for 2003 Chevrolet Express 2500 Exhaust Parts

Which Exhaust Parts are best-sellers for 2003 Chevrolet Express 2500s?

Out of 94 Exhaust Parts that fit 2003 Chevrolet Express 2500s, 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 2003 Chevrolet Express 2500 Exhaust Parts?

Exhaust Part prices for the 2003 Chevrolet Express 2500 start at $2.99 and go up to $1,914.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2003 Chevrolet Express 2500?

The average price for Exhaust Parts for the 2003 Chevrolet Express 2500 is $236.34. 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 Chevrolet Express 2500 model years?

Yes, we currently carry Exhaust Parts for 27 model years of Chevrolet Express 2500s between 1996 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 2003 Chevrolet Express 2500?

The cheapest 2003 Chevrolet Express 2500 Exhaust Parts we carry in stock are:

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (26010018) – $2.99
Exhaust Pipe Flange Gasket (15780226) – $5.29
Exhaust Pipe Flange Gasket (20688659) – $6.49
Exhaust Pipe Flange Gasket (15780188) – $6.79
Exhaust System Hanger Insulator (18370344) – $7.79

What are the top-rated Exhaust Parts that fit the 2003 Chevrolet Express 2500?

Out of 2,194 reviews by customers, our 2003 Chevrolet Express 2500 Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Chevrolet Express 2500 and their top-rated products:

Exhaust Gaskets
- Exhaust Manifold Gasket Set (11464852) – $35.99
- EXHAUST MANIFOLD GASKET SET (19783626) – $31.49
- Exhaust Manifold Gasket Set (15780316) – $31.99
Exhaust Fittings
- Exhaust Manifold Gasket Set (11464852) – $35.99
- EXHAUST MANIFOLD GASKET SET (19783626) – $31.49
- Exhaust Manifold Gasket Set (15780316) – $31.99

What types of Exhaust Parts do you sell for my 2003 Chevrolet Express 2500?

As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2003 Chevrolet Express 2500:

Can I get help with 2003 Chevrolet Express 2500 Exhaust Part orders?

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

What is your return policy for Chevrolet Express 2500 Exhaust Parts?

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

2003 Chevrolet Express 2500 Exhaust Parts

Dorman – Exhaust Bolt (Part No.H80151097742DOR)

ARP Auto Racing – For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (Part No.134-1102)

Dorman – Exhaust Flange Hardware – 4 Bolts And 2 Studs – 3/8-16 (Part No.675-217)

Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)

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

AP Exhaust – Exhaust Clamp (Part No.H80202394452APE)

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (Part No.35793)

Mahle – Exh. Man. to Pipe Ga (Part No.H4003205960MAH)

Mahle – Exh. Man. to Pipe Ga (Part No.H4003206101MAH)

Walker – Exhaust Tail Pipe 2.625" Inlet (OD) 2.625" Outlet (OD) (Part No.55470)

Walker – Exhaust Tail Pipe 2.625" Inlet (OD) 2.625" Outlet (OD) (Part No.55483)

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

Walker – Exhaust Pipe 2.625" Outlet (OD) (Part No.53622)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.75" Outlet (OD) (Part No.21482)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.625" Inlet (ID) 2.625" Outlet (ID) (Part No.21553)

Felpro – Exhaust Pipe Flange Gasket (Part No.61683)

Felpro – Exhaust Pipe Flange Gasket (Part No.60556)

Walker – Ultra EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.93271)

Walker – CATALYTIC CONVERTER (Part No.14623)

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

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-523)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-218)

GM Genuine Parts – Exhaust Manifold Gasket (Part No.12617944)

Remflex – Flexible Graphite, Set Of 2, 1-3/4 Inch Round Port Size (Part No.2049)

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66078)

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

Dorman – Exhaust Manifold Clamp Repair (Part No.917-142)

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03412B)

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)

Felpro – Exhaust Pipe Flange Gasket (Part No.61089)

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

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

Felpro – Exhaust Pipe Flange Gasket (Part No.61074)

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

Walker – Exhaust Tail Pipe 2.625" Inlet (OD) 2.625" Outlet (OD) (Part No.55483)

Walker – Exhaust Pipe 2.625" Outlet (OD) (Part No.53622)

Walker – Exhaust Tail Pipe 2.625" Inlet (OD) 2.625" Outlet (OD) (Part No.55470)

Walker – Exhaust Pipe 3" Inlet (ID) 2.625" Outlet (OD) (Part No.53621)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.625" Outlet (ID) (Part No.21554)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21551)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.625" Inlet (ID) 2.625" Outlet (ID) (Part No.21553)

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (Part No.35793)

Walker – Exhaust Clamp (Part No.35794)

Dorman – Exhaust Down Pipe V-Band Clamp (Part No.904-099)

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.674-525)

Dorman – Exhaust Bolt (Part No.H80151097742DOR)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-523)

ARP Auto Racing – For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (Part No.134-1102)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-524)

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

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

Dorman – Exhaust Manifold (Part No.H1000683479DOR)

Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (Part No.03413HP)

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