1978 GMC K25 Exhaust Parts
Find Your Specific 1978 GMC K25 Exhaust Parts
Below you will find various in-demand GMC Exhaust Parts, components and accessories for your 1978 K25. Advance Auto Parts has popular K25 parts like Exhaust Manifold and Headers, Exhaust Pipes, Exhaust Hangers and more. You’ll also find aftermarket and OEM Exhaust Parts for other K25 model years including
1975,
1976,
1977 and more. Select a category of 1978 GMC K25 Exhaust Parts below and start saving instantly.
Popular 1978 GMC K25 Exhaust Parts Categories
Essential Exhaust Parts for 1978 GMC K25s
Mr. Gasket – Exhsthdrbolt (Part No.2231G)
from
$56.99
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:
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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
ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Black Oxide, Set Of 16 (Part No.100-1102)
from
$24.99
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:
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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 16
- 0.75″ Overall Length
Dynomax – Manifold/Header (Part No.85003)
from
$99.99
Manifold/Header
Hooker Headers – Competition Header (Part No.2453-1HKR)
from
$635.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. 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.
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Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Flowtech – Super Street; Header Dual Kit (Part No.51525FLT)
from
$235.99Product Features:
- Increase Performance
- Heavy Duty
- Header Dual Kit
- Includes All Hardware
- Installation Instructions
- Offer Maximum Versatility
- Mufflers Not Included
Hooker Headers – Dual Competition Header Back Exhaust System Kit (Part No.16526HKR)
from
$296.99
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.
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Product Features:
- Reducer Flex-Tubes
- Reduces Backpressure
- Hardware Included
- Instructions Included
Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.80906)
from
$896.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.
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Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state¿s aftermarket converter regulations.
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state┐s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- 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
MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93432)
from
$201.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93432. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, 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 direct-fit catalytic converter is designed to fit the 1975-1986 Chevrolet C10, 1975-1986 Chevrolet K10, and additional vehicles. 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.
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Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials (Part No.31400)
from
$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.
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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
Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)
from
$85.99Product Features:
- Show Quality Chrome Platinum
- Durable Black Finish
- Can Be Welded Or Clamped
- Complete The System
- Glass-Packed Resonators
Flowtech – HEADER FLT BLOCK HUGGER (Part No.10010FLT)
from
$75.99
HEADER FLT BLOCK HUGGER
Walker – Tail Pipe Aluminized 37" (Part No.44606)
from
$63.99
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.
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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
Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Side Exit – Pair (Part No.15803)
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.
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Felpro – Exhaust Pipe Flange Gasket (Part No.60985)
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
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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
Felpro – Exhaust Pipe Flange Gasket (Part No.9587)
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:
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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
Felpro – Exhaust Pipe Flange Gasket (Part No.8194)
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:
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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
Walker – Exhaust Clamp (Part No.35335)
from
$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.
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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
Walker – Exhaust Clamp (Part No.35337)
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:
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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
Walker – Exhaust Clamp (Part No.35336)
from
$2.49
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:
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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
Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5901)
from
$31.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.
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Product Features:
- Withstands Intense Exhaust Heat
- Graphite-Impregnated Facing
- Steel Expanded Metal Core
- Superior Tensile Strength
- Resists Deteriorating
- Anti-stick Properties
- Easy Removal For Disassembly
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66019)
from
$48.99
Seal-4-Good Header Flange Gasket
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66012)
from
$51.99
Seal-4-Good Header Flange Gasket
Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.17831)
from
$254.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
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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
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- 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
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21784)
from
$89.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles.
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Product Features:
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
- RESISTS CORROSION — Internal drainage system helps reduce moisture collection
- BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
- DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)
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.
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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
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)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
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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
Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)
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:
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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
Walker – Exhaust System Hanger (Part No.35103)
from
$7.99
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:
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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
Upgrade your 1978 GMC K25 with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 1978 GMC K25, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Exhaust Parts are key to keeping your K25 functioning at its best. At Advance Auto Parts, we offer a wide selection of 90 Exhaust Parts for the 1978 GMC K25, designed to meet your needs without breaking the bank.
From
Exhaust Manifold and Header
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 1978 GMC K25 at great prices.
Our Exhaust Parts inventory for this model
ranges from just $1.99 to $737.99, with
an average price of $83.23.
Our 90 Exhaust Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 1978 GMC K25 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 1978 GMC K25, we stock popular OEM and aftermarket Exhaust Parts from top names
like FELPRO, Dorman, Mr. Gasket, and more.
FELPRO Exhaust Parts
start at just $2.99 and boast an impressive 5 stars average rating from customers.
Dorman and Mr. Gasket also bring quality to the table, with Exhaust Parts available starting at $6.29, and at an average 4 stars rating.
With 366 customer reviews and counting, our 1978 GMC K25 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 1978 GMC K25 is always ready to roll. We’re committed to providing you with everything you need to keep your K25 in top shape, all in one place.
Start shopping confidently below for your 1978 GMC K25!
Best-Selling Exhaust Manifold and Headers for 1978 GMC K25s
Enhance the driving experience in your GMC with 27 quality Exhaust Manifold and Header components, starting at $19.99.
Hooker Headers – LS1 Swap Headers for 66-72 Chevelle, El Camino & More (Part No.2453HKR)
from
$298.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. 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.
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Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Flowtech – High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals (Part No.11500FLT)
from
$226.99Product Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
Dynomax – Manifold/Header (Part No.85003)
from
$99.99
Manifold/Header
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-159)
from
$131.99
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:
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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
Mr. Gasket – Header Bolt Set (Part No.2210G)
from
$41.99
Made of high quality stainless steel. These bolts will brighten up your hot rod, or improve the looks of your race car.
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Product Features:
- Bright Ball Burnish Finish
- Made From 304 Stainless
- Compact Hex Head Is Ideal Where Space Is Limited
- 12 Per Set
- Resist corrosion and provides a clean professional appearance
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-202)
from
$145.99
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:
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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
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-197)
from
$144.99
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:
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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
Flowtech – Exhaust Manifold/Header (Part No.11530FLT)
from
$237.99
Exhaust Manifold/Header
Flowtech – Standard Header (Part No.11506FLT)
from
$232.99Product Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12 (Part No.400-1111)
from
$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:
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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
ARP Auto Racing – For Use With Chevy Small Block, 3/8 – 16" Thread Size, .75" L, Natural, Set Of 12 (Part No.400-1201)
from
$26.99
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:
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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
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-244)
from
$169.99
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:
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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
Taylor Gaskets – Vibe-Lock Bolt (Part No.310001)
from
$102.99
Vibe-Lock Bolt
Mr. Gasket – Exhsthdrbolt (Part No.2230G)
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:
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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
ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Black Oxide, Set Of 16 (Part No.100-1102)
from
$24.99
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:
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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 16
- 0.75″ Overall Length
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)
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:
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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
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)
from
$35.99
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:
See More
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
ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)
from
$24.99
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:
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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
- 0.75″ Overall Length
Hooker Headers – Competition Header (Part No.2463HKR)
from
$410.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. 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:
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Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Hooker Headers – Competition Header (Part No.2463-1HKR)
from
$737.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. 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:
See More
Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Hooker Headers – ExhstHdr (Part No.2301HKR)
from
$642.99
ExhstHdr
Hooker Headers – Competition Header (Part No.2453-1HKR)
from
$635.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. 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:
See More
Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)
from
$89.99
Vibe Lock Header Bolt Kit
Taylor Gaskets – Vibe-Lock Bolt (Part No.310016)
from
$89.99
Vibe-Lock Bolt
Mr. Gasket – Exhsthdrbolt (Part No.2231G)
from
$56.99
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:
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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
ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12 (Part No.400-1101)
from
$26.99
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:
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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
- 0.75″ Underhead Length
- Set of 12
ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1201)
from
$19.99
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:
See More
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
- 0.75″ Overall Length
Most Popular 1978 GMC K25 Exhaust Pipes
Customize your GMC with 7 Exhaust Pipes products
like Exhaust Pipe and Flange Gaskets and
Exhaust Pipes, all
priced under $211.99.
Felpro – Exhaust Pipe Flange Gasket (Part No.60985)
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:
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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
Felpro – Exhaust Pipe Flange Gasket (Part No.60986)
from
$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:
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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
Felpro – Exhaust Pipe Flange Gasket (Part No.8194)
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:
See More
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
Flowtech – HEADER FLT BLOCK HUGGER (Part No.10010FLT)
from
$75.99
HEADER FLT BLOCK HUGGER
Felpro – Exhaust Pipe Flange Gasket (Part No.9587)
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:
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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
Walker – Tail Pipe Aluminized 37" (Part No.44606)
from
$63.99
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:
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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
Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Side Exit – Pair (Part No.15803)
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.
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Top Picks for 1978 GMC K25 Exhaust Hangers
Upgrade GMC K25s with top-quality Exhaust Hangers parts, including 8 OEM and aftermarket selections for your 1978 model.
Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)
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:
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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
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)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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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
Dorman – Help – Exhaust Manifold Stud Kit – 3/8-16 x 3-1/4 In. (Part No.03113)
from
$6.49
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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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
Walker – Exhaust System Hanger (Part No.35103)
from
$7.99
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:
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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
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (Part No.03112)
from
$6.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
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
Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)
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:
See More
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
Walker – Exhaust System Hanger (Part No.35183)
from
$13.99
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:
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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
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 3-5/16 In. (Part No.03106)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
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
In-Demand Exhaust Fittings for 1978 GMC K25s
Select from 3 premium Exhaust Fittings parts for your 1978 GMC K25, with prices ranging from $1.99 to $8.99.
Walker – Exhaust Clamp (Part No.35337)
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:
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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
Walker – Exhaust Clamp (Part No.35336)
from
$2.49
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:
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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
Walker – Exhaust Clamp (Part No.35335)
from
$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:
See More
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
Most Sold 1978 GMC K25 Exhaust Mufflers
Explore our best-selling GMC parts for the 1978 K25 among 2 OEM and aftermarket options starting from $89.99.
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21784)
from
$89.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles.
Product Features:
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Product Features:
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
- RESISTS CORROSION — Internal drainage system helps reduce moisture collection
- BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
- DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.17831)
from
$254.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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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
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- 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
Top-Rated Exhaust Parts Brands For Your 1978 GMC K25
Shop for the best-rated brands offering Exhaust Parts and other products for your 1978 GMC K25s. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Dorman, and Mr. Gasket, and more. Exhaust Parts from these brands that fit a 1978 K25 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 1978 GMC K25 Exhaust Parts
When it comes to maintaining or upgrading your 1978 GMC K25, 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 1978 GMC K25. With over 7 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 $2.99, with an average price of just $12.58. Plus, with over 48 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.
Popular Dorman 1978 GMC K25 Exhaust Parts
Dorman auto parts is one of the highest quality Exhaust Part brands in the market. Any 1978 GMC K25 owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1978 K25, Advance Auto Parts carries a full inventory of 10 Dorman Exhaust Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Dorman Exhaust Parts range from $6.29 to $169.99, plus, with more than 18 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.
from
$9.99
$9.99
This product is not rated
Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in
“”
FAQs for 1978 GMC K25 Exhaust Parts
Which Exhaust Parts are best-sellers for 1978 GMC K25s?
Out of 90 Exhaust Parts that fit 1978 GMC K25s, the following parts are the top sellers:
- Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (9110161) – $11.29
- High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals (6310214) – $226.99
- Exhaust Gasket: High-Temperature Protection, Durability, and Reliable Sealing (5020859) – $27.49
What’s the price range for 1978 GMC K25 Exhaust Parts?
Exhaust Part prices for the 1978 GMC K25 start at $1.99 and go up to $737.99 for the most premium parts.
What’s the average price of a Exhaust Part for a 1978 GMC K25?
The average price for Exhaust Parts for the 1978 GMC K25 is $83.23. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust Parts for other GMC K25 model years?
What are the cheapest Exhaust Parts for my 1978 GMC K25?
The cheapest 1978 GMC K25 Exhaust Parts we carry in stock are:
- Exhaust Clamp (11012223) – $1.99
- Exhaust Clamp (11012137) – $2.49
- Exhaust Pipe Flange Gasket (5185076) – $2.99
- Exhaust Pipe Flange Gasket (5185157) – $2.99
- Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials (18370067) – $3.29
What are the top-rated Exhaust Parts that fit the 1978 GMC K25?
Out of 366 reviews by customers, our 1978 GMC K25 Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 1978 GMC K25 and their top-rated products:
- Exhaust Tips
- Terminator; Exhaust Tips (19310030) – $85.99
- Exhaust Gaskets
- Terminator; Exhaust Tips (19310030) – $85.99
What types of Exhaust Parts do you sell for my 1978 GMC K25?
As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 1978 GMC K25:
Can I get help with 1978 GMC K25 Exhaust Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Exhaust Parts and more.
What is your return policy for GMC K25 Exhaust Parts?
Advance Auto Parts keeps returns simple. For new GMC K25 Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
