from

$56.99

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

from

$47.99

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 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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$24.99

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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$48.99

Seal-4-Good Header Flange Gasket

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$75.99

HEADER FLT BLOCK HUGGER

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$77.99

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

Product Features:

RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
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
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 fabrication and/or welding
FACTORY SOUND — Louvered 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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$105.99

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 componen

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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$359.99

Don’t give up looking for headers for your vehicle. Patriot offers headersfor many applications at prices you can afford. Built with surfacemachined thick steel flanges for a great seal andmandrel bent mild steel tubing. Patriot headers areavailable r

Product Features:

Patriot Exhaust H8048 1 5/8″ Header Chevrolet Truck Small Block Chevrolet 73-87 Raw
Patriot offers headers for many applications at prices you can afford.

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$659.99

Don’t give up looking for headers for your vehicle. Patriot offers headersfor many applications at prices you can afford. Built with surfacemachined thick steel flanges for a great seal andmandrel bent mild steel tubing. Patriot headers areavailable r

Product Features:

Patriot Exhaust H8054-1 1 3/4″ Header Chevrolet Truck Big Block Chevrolet 73-87 Coated
Patriot offers headers for many applications at prices you can afford.

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$69.99

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless steel kit with 12-point nuts. The stainless material is not affected by corrosion or extreme heat, making it ideal for the application. What’s more, the compact 12-point nut lets you easily slip a socket close to the pipe. Each ARP accessory stud or bolt kit includes the specific number of parts for your appliaction, plus premium-quality washers and hex or 12-point nuts, as required. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading. Studs and bolts come either Black Oxide chrome moly or Stainless. Both are nominally rated at 180,000 psi tensile strength; substantially stronger than Grade 8 hardware. Specially drilled NASCAR models are available for those who wish to safety wire their bolts to prevent loosening.

Product Features:

3/8″-16 Thread Size(s)
Steel
Black Oxide
Small Block Chevy
12-Point Head
Set of 12
1.670″ Overall Length

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$4.29

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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$3.29

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 sizesfora 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-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

from

$285.99

Product Features:

Increase Performance
Heavy Duty
Manifold Dual Kit
Includes All Hardware
Installation Instructions
Offer Maximum Versatility
Mufflers Not Included

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$235.99

Product Features:

Increase Performance
Heavy Duty
Header Dual Kit
Includes All Hardware
Installation Instructions
Offer Maximum Versatility
Mufflers Not Included

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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$1.99

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

from

$85.99

Product Features:

Show Quality Chrome Platinum
Durable Black Finish
Can Be Welded Or Clamped
Complete The System
Glass-Packed Resonators

from

$15.99

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

from

$11.99

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

from

$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

from

$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

from

$211.99

Prebent pipe kits. Flowmaster’s 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster.

GMC K25/K2500 Pickup Exhaust Parts

Top GMC K25/K2500 Pickup Exhaust Parts Categories

Essential GMC K25/K2500 Pickup Exhaust Parts

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 1"L, 12Point Head, Natural, Ss, Set Of 16 (Part No.400-1212)

Mr. Gasket – Exhsthdrbolt (Part No.2230G)

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

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66120)

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

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18293)

Walker – Heavy Duty Muffler, Direct Replacement, No Fabrication Needed (Part No.21169)

Patriot Exhaust – H8048 1 5/8" Header Chevrolet Truck Small Block Chevrolet 73-87 Raw (Part No.H8048)

Patriot Exhaust – H8054-1 1 3/4" Header Chevrolet Truck Big Block Chevrolet 73-87 Coated (Part No.H8054-1)

ARP Auto Racing – ARP Header Bolt Kit (Part No.100-1402)

Felpro – Exhaust Pipe Flange Gasket (Part No.60986)

Walker – Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials (Part No.31400)

Flowtech – Super Street; Manifold Dual Kit (Part No.52525FLT)

Flowtech – Super Street; Header Dual Kit (Part No.51525FLT)

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5 (Part No.35337)

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2 (Part No.35335)

Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Walker – Hanger Length 4 (Part No.35183)

Walker – Hanger Length 2.25 (Part No.35148)

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

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

Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Side Exit – Pair (Part No.15803)

GMC K25/K2500 Pickup Exhaust Parts Categories

Helping You Find the Right Exhaust Parts for Your GMC K25/K2500 Pickup

Top Exhaust Parts Brands for Your GMC K25/K2500 Pickup

Top-Rated Felpro Exhaust Parts

Leading Felpro Exhaust Parts

FAQs for GMC K25/K2500 Pickup Exhaust Parts

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