1978 GMC K25 Exhaust Manifold and Headers
Your 1978 GMC K25 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Exhaust Manifold and Headers you desperately need.
We currently carry 11 Exhaust Manifold and Headers to choose from for your 1978 GMC K25, and our inventory prices range from as little as $144.99 up to $737.99.
On top of low prices, Advance Auto Parts offers 3 different trusted brands of Exhaust Manifold and Headers for the 1978 GMC K25. We only sell parts from trusted brands like Flowtech so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 50 reviews on our Exhaust Manifold and Headers for the 1978 GMC K25 from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Exhaust Manifold and Headers stock in-person!
Exhaust Manifold and Headers for Your 1978 GMC K25
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
Flowtech – Ceramic Header (Part No.31500FLT)
from
$469.99Product Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Ceramic Headers
- Rust And Corrosion Resistance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-159)
from
$151.99
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.674-202)
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:
See More
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:
See More
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 – 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
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-244)
from
$195.99
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:
See More
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
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:
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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
Flowtech – Standard Header (Part No.11500SFLT)
from
$415.99Product Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
FAQs for 1978 GMC K25 Exhaust Manifold and Headers
What are the most popular Exhaust Manifold and Headers for the 1978 GMC K25?
With 3 brands you can trust, our most popular Exhaust Manifold and Headers for the 1978 GMC K25 parts are:
from
$226.99
(13)
High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals
Exhaust Manifold and Headers
from
$145.99
This product is not rated
Direct Fit Exhaust Manifold: Without Heat Shield
Exhaust Manifold and Headers
from
$144.99
This product is not rated
Direct Fit Exhaust Manifold: Without Heat Shield
Exhaust Manifold and Headers
What are the best aftermarket Exhaust Manifold and Headers for the 1978 GMC K25?
See what past customers had to say about our highest-rated Exhaust Manifold and Headers for the 1978 GMC K25:
from
$151.99
(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”
