GMC K25/K2500 Pickup Exhaust Parts

Essential GMC K25/K2500 Pickup Exhaust Parts

Dorman – Help – Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (Part No.03112)

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

from

$6.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • Durable steel construction
  • New hardware helps fix exhaust leaks
  • Also available in the Exhaust Manifold Hardware Kit
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Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)

Double Ended Stud - 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in

from

$8.99
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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Walker – Heavy Duty Muffler, Direct Replacement, No Fabrication Needed (Part No.21169)

Heavy Duty Muffler, Direct Replacement, No Fabrication Needed

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$111.99
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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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18293)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

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

Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials

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

Prebent Tailpipes - 2.50 in. Side Exit - Pair

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$219.99
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.
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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2 (Part No.35335)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2

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

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5

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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Taylor Gaskets – Vibe-Lock Bolt (Part No.310016)

Vibe-Lock Bolt

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$89.99
Vibe-Lock Bolt

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

ExhstHdrBolt

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$46.99
ExhstHdrBolt

Mr. Gasket – Header Bolt Set (Part No.2210G)

Header Bolt Set

from

$44.99
Made from durable 304 stainless steel, this compact bolt head and flange is ideal for use where space is minimal, typical on header flanges. It resists rust and corrosion, provides a clean professional appearance.

Product Features:
  • Bright ball burnish finish
  • These bolts are made from 304 stainless
  • Compact hex head is ideal where space is limited
  • 12 per set
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Mr. Gasket – Copper Seal; Exhaust Gasket Set (Part No.7152G)

Copper Seal; Exhaust Gasket Set

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$56.99
Copperseal exhaust gaskets are unique gaskets made from .043 inch solid copper. They feature an embossed O-ring design for a leak proof seal. They won’t shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes and towing.

Product Features:
  • Withstands intense exhaust heat
  • Resists deteriorating
  • Easy removal for disassembly
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 90206)

Exhaust Manifold Gasket Set

from

$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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Flowtech – Real-Seal; Header Gasket (Part No.99150AFLT)

Real-Seal; Header Gasket

from

$77.99


Product Features:
  • Water/Weather Resistant
  • Re-Useable
  • Will Not Burn Or Blow Out
  • Suitable For Port-Matching
  • Made In USA
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Dynomax – 89003 Exhaust System Kit (Part No.89003)

89003 Exhaust System Kit

from

$209.99
Give your vintage vehicle’s exhaust system an upgrade with a DynoMax® dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of mounting options.

Product Features:
  • COMPATIBILITY — Designed for a variety of full-size 1973-89 GMC 4WD trucks and Chevrolet 4WD SUVs; see product information for compatibility and engine spec
  • BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE manifolds
  • FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
  • IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
  • SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tailpipes exit each side of vehicle behind rear tires
  • COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
  • PREMIUM MATERIALS – Made from quality aluminized steel for durability and long life
  • BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
  • WARNING — Not legal for use on pollution-controlled motor vehicles
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Thrush – 89024 Exhaust System Kit (Part No.89024)

89024 Exhaust System Kit

from

$327.99
Upgrade your vintage muscle car’s exhaust system with a Thrush® Turbo Header Back System. Featuring Thrush Turbo mufflers with reversible flow chambers, spun-locked heads and aluminized construction, it has everything needed for installation.

Product Features:
  • ENGINEERED TO LAST — Features 2.5-in. aluminized smooth bend pipes
  • CLASSIC SOUND — Features Thrush® Turbo mufflers with tri-flow design with reversible flow chambers for that classic Thrush sound
  • STRONG AND DURABLE — Muffler has a 100% aluminized-coated shell and spun lock heads for long life
  • EASY TO INSTALL — Bolt-on installation for an easy upgrade; no fabrication or welding required
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Hooker Headers – Dual Competition Header Back Exhaust System Kit (Part No.16526HKR)

Dual Competition Header Back Exhaust System Kit

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$293.99
Designed to fit Hooker Competition header, Manifold or catalytic converter back applications. Cat-back kits install behind the converter and all other applicable emission control devices.

Product Features:
  • Reducer Flex-Tubes
  • Reduces Backpressure
  • Hardware Included
  • Instructions Included
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Felpro – Exhaust Pipe Flange Gasket (Part No.60985)

Exhaust Pipe Flange Gasket

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
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Felpro – Exhaust Pipe Flange Gasket (Part No.9587)

Exhaust Pipe Flange Gasket

from

$2.99
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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Felpro – Exhaust Pipe Flange Gasket (Part No.8194)

Exhaust Pipe Flange Gasket

from

$2.99
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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Felpro – Exhaust Pipe Flange Gasket (Part No.9672)

Exhaust Pipe Flange Gasket

from

$5.49
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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Flowtech – Exhaust Manifold/Header (Part No.11530FLT)

Exhaust Manifold/Header

from

$237.99
Exhaust Manifold/Header

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

H8054 1 3/4" Header Chevrolet Truck Big Block Chevrolet 73-87 Raw

from

$363.99
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 3/4″ Header Chevrolet Truck Big Block Chevrolet 73-87 Raw
  • Patriot offers headers for many applications at prices you can afford.
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Flowtech – Standard Header (Part No.11500SFLT)

Standard Header

from

$432.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
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Hooker Headers – Super Comp. Header (Part No.2817HKR)

Super Comp. Header

from

$819.99
Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:
  • Long Tube Lengths
  • Long Transition Collectors
  • Monstrous Low-Mid Range Torque
  • Keep Top End Horsepower
  • Provides Finest Fit
  • Most Durable Design Available
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Helping You Find the Right Exhaust Parts for Your GMC K25/K2500 Pickup

You love your K25/K2500 Pickup. So we’ve made it easier than ever to help you find GMC K25/K2500 Pickup Exhaust Parts in our online catalog. Our inventory holds 86 aftermarket and OEM Exhaust Parts for your GMC K25/K2500 Pickup, ranging from $1.99 to $1,183.99.

We offer parts from 14 brands trusted to make quality Exhaust Parts for your GMC K25/K2500 Pickup. Before you buy, take some time to read through customer reviews. We currently have 4,154 reviews of GMC K25/K2500 Pickup Exhaust Parts from previous customers. Some of the top rated parts include Exhaust Pipe Flange Gasket with 5.0 stars and Ceramic Header with 4.0 stars.

Find your K25/K2500 Pickup Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC K25/K2500 Pickup 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 K25/K2500 Pickup

Our inventory holds Exhaust Parts for your GMC K25/K2500 Pickup from 14 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Dorman, and Mr. Gasket, all of which can keep that GMC happy.
We have Hooker Headers parts available for your GMC K25/K2500 Pickup in categories like Exhaust System Kits. Some of the top-rated Hooker Headers parts in these categories are:
Dual Competition Header Back Exhaust System Kit
from $293.99
(1)
Dual Competition Header Back Exhaust System Kit
Exhaust System Kits

Top-Rated Felpro Exhaust Parts

Leading Felpro Exhaust Parts

We carry Felpro brand parts for your GMC K25/K2500 Pickup across several catalog categories, including Exhaust Gaskets and Exhaust Pipes. Some of our most reviewed Felpro parts include:
Exhaust Manifold Gasket Set
from $19.99
(21)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets
Exhaust Pipe Flange Gasket
from $2.99
(15)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Pipe Flange Gasket
from $5.29
(10)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

FAQs for GMC K25/K2500 Pickup Exhaust Parts

What are the most purchased Exhaust Parts for the GMC K25/K2500 Pickup?

Out of 86 Exhaust Parts for the GMC K25/K2500 Pickup, the most popular in our inventory are:
Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.
from $11.29
(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 Gasket
from $40.99
This product is not rated
Aluminum Exhaust Gasket
Exhaust Manifold Gaskets
Exhaust Stud Kit - 3/8-16 x 2-1/2 In.
from $6.29
This product is not rated
Exhaust Stud Kit – 3/8-16 x 2-1/2 In.
Exhaust Hangers and Hardware

What are the top-rated GMC K25/K2500 Pickup Exhaust Parts?

Top-rated Exhaust Parts for your GMC K25/K2500 Pickup based on customer reviews/ratings are:
Exhaust Pipe Flange Gasket
from $4.29
(2)
Exhaust Pipe Flange Gasket
“Great fit & good product”
Ceramic Header
from $469.99
(2)
Ceramic Header
“Great product, especially when used with stage 8 locking bolts.”
Manifold/Header
from $99.99
(2)
Manifold/Header
“I read the review about the guy who said paint was lacking,well it is only a primer. I painted mine with heat paint and they look great”