GMC G25 Exhaust Parts

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Essential GMC G25 Exhaust Parts

Walker – Exhaust Flange (Part No.31803)

Exhaust Flange

from

$15.49
Complete your exhaust repair with Walker 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
  • KEEPS EXHAUST PARTS IN PLACE – Designed to support undercar exhaust components
  • OE-STYLE DESIGN – Designed with OE-style features for easy installation
  • QUALITY MATERIALS – Made from quality material for durability and long life
  • BETTER TOGETHER – Use Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.339106)

Universal California Grade CARB Compliant Catalytic Converter

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$480.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 339106. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
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MagnaFlow – Universal Standard Grade Federal / EPA Compliant Catalytic Converter (Part No.94016)

Universal Standard Grade Federal / EPA Compliant Catalytic Converter

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$126.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94016. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
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Walker – Exhaust Pipe Flange Gasket (Part No.31400)

Exhaust Pipe Flange Gasket

from

$2.79
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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Walker – Exhaust Clamp (Part No.35337)

Exhaust Clamp

from

$8.99
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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Walker – Exhaust Clamp (Part No.35335)

Exhaust Clamp

from

$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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Edelbrock – Exhaust Manifold Gasket Set for Chevrolet (Part No.7204)

Exhaust Manifold Gasket Set for Chevrolet

from

$26.99
Product Features:
  • 0.0625 in. Thickness
  • 1.50 in. x 1.50 in. Port Size
  • For SB Chevy
  • Black Color
  • Two Piece Configuration
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 90206)

Exhaust Manifold Gasket Set

from

$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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
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Walker – Heavy Duty Direct Fit Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.21169)

Heavy Duty Direct Fit Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID)

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$125.99
Walker offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a “one-stop” convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic, import and commercial vehicle applications.

Product Features:
  • Manufactured from aluminized steel for durability
  • Designed to help ensure long service life
  • Engineered to reduce in-cab and exterior engine noise
  • Offered in a variety of styles, sizes and materials for your installation needs
  • An economical replacement for the original equipment part
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Walker – Sound Solution Exhaust Muffler (Part No.18679)

Sound Solution Exhaust Muffler

from

$60.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Terminator; Exhaust Tips

from

$93.99


Product Features:
  • Show Quality Chrome Platinum
  • Durable Black Finish
  • Can Be Welded Or Clamped
  • Complete The System
  • Glass-Packed Resonators
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Mr. Gasket – Exhsthdrbolt (Part No.2231G)

Exhsthdrbolt

from

$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:
  • 16 per Package
  • Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
  • 410 stainless steel
  • Minimum 180,000 PSI tensile strength
  • 24 equally spaced clockwise teeth
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ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Natural, Ss, Set Of 16 (Part No.400-1102)

For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Natural, Ss, Set Of 16

from

$44.99
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
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
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Walker – Exhaust Pipe Flange Gasket (Part No.31416)

Exhaust Pipe Flange Gasket

from

$6.19
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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60985)

Exhaust Pipe Flange Gasket

from

$6.29
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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Felpro – Exhaust Pipe Flange Gasket (Part No.60083)

Exhaust Pipe Flange Gasket

from

$4.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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
See More

Walker – Exhaust Tail Pipe 2.25" Inlet (OD) 2.25" Outlet (OD) (Part No.46424)

Exhaust Tail Pipe 2.25" Inlet (OD) 2.25" Outlet (OD)

from

$57.99
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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Flowtech – HEADER FLT BLOCK HUGGER (Part No.10010FLT)

HEADER FLT BLOCK HUGGER

from

$84.99
HEADER FLT BLOCK HUGGER

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-197)

Direct Fit Exhaust Manifold: without Heat Shield

from

$166.99
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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Flowtech – Shty/Block Hugger Hd (Part No.11551FLT)

Shty/Block Hugger Hd

from

$365.99
Shty/Block Hugger Hd

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-244)

Direct Fit Exhaust Manifold: without Heat Shield

from

$173.99
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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Dorman – Help – Exhaust Manifold Stud Kit – 3/8-16 x 3-1/4 In. (Part No.03113)

Exhaust Manifold Stud Kit - 3/8-16 x 3-1/4 In.

from

$6.99
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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Dorman – Help – Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (Part No.03147)

Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.

from

$11.49
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
See More

Walker – Exhaust System Hanger (Part No.35148)

Exhaust System Hanger

from

$15.49
Complete your exhaust repair with Walker exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker 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 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
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)

Double Ended Stud Kit - 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in

from

$10.99
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 Length service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Helping You Find the Right Exhaust Parts for Your GMC G25

You love your G25. So we’ve made it easier than ever to help you find GMC G25 Exhaust Parts in our online catalog. Our inventory holds 83 aftermarket and OEM Exhaust Parts for your GMC G25, ranging from $2.79 to $1,063.99.

We offer parts from 12 brands trusted to make quality Exhaust Parts for your GMC G25. Before you buy, take some time to read through customer reviews. We currently have 2,213 reviews of GMC G25 Exhaust Parts from previous customers. Some of the top rated parts include Standard EPA Universal Catalytic Converter – 2.5" Inlet (ID) 2.5" Outlet (ID) with 4.6 stars and Terminator; Exhaust Tips with 4.0 stars.

Find your G25 Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC G25 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Exhaust Parts Brands for Your GMC G25

Our inventory holds Exhaust Parts for your GMC G25 from 12 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Mr. Gasket, and Dorman, all of which can keep that GMC happy.

FAQs for GMC G25 Exhaust Parts

What are the most purchased Exhaust Parts for the GMC G25?

Out of 83 Exhaust Parts for the GMC G25, the most popular in our inventory are:
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
from $24.79
(14)
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
Exhaust Manifold Gaskets
Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.
from $11.49
(10)
Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.
Exhaust Hangers and Hardware
Aluminum Exhaust Gaskets for Intense Heat Resistance
from $49.99
(4)
Aluminum Exhaust Gaskets for Intense Heat Resistance
Exhaust Manifold Gaskets

What are the top-rated GMC G25 Exhaust Parts?

Top-rated Exhaust Parts for your GMC G25 based on customer reviews/ratings are:
Standard EPA Universal Catalytic Converter - 2.5" Inlet (ID) 2.5" Outlet (ID)
from $175.99
(5)
Standard EPA Universal Catalytic Converter – 2.5" Inlet (ID) 2.5" Outlet (ID)
“Replaced stock converter and would use again.”
Terminator; Exhaust Tips
from $93.99
(5)
Terminator; Exhaust Tips
“very nice…worth the money.”
Direct Fit Exhaust Manifold: without Heat Shield
from $155.99
(5)
Direct Fit Exhaust Manifold: without Heat Shield
“the manifold is at least 1/2 inch closer to the head and makes contact thats not seen.after installing i had an exhaust leak on the gasket because the”