1975 GMC K25 Exhaust Manifold and Headers

Essential 1975 GMC K25 Exhaust Manifold and Headers

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Natural, Ss, Set Of 16 (Part No.400-1102)

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

from

$40.49
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
See More

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)

For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12

from

$44.49
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
See More

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)

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

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:
  • 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
See More

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)

For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12

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:
  • 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
See More

ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)

0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12

from

$25.99
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
  • Set of 12
  • 0.75″ Overall Length
See More

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
See More

Taylor Gaskets – Vibe-Lock Bolt (Part No.310001)

Vibe-Lock Bolt

from

$102.99
Vibe-Lock Bolt

ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1201)

For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12

from

$18.99
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
  • Set of 12
  • 0.75″ Overall Length
See More

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

Vibe-Lock Bolt

from

$89.99
Vibe-Lock Bolt

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

ExhstHdrBolt

from

$46.99
ExhstHdrBolt

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)

Vibe Lock Header Bolt Kit

from

$89.99
Vibe Lock Header Bolt Kit

Hooker Headers – Competition Header (Part No.2463-1HKR)

Competition Header

from

$727.99
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:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
See More

Dynomax – Manifold/Header (Part No.85003)

Manifold/Header

from

$99.99
Manifold/Header

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-159)

Direct Fit Exhaust Manifold: Without Heat Shield

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:
  • 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
See More

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

Direct Fit Exhaust Manifold: Without Heat Shield

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:
  • 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
See More

Flowtech – Ceramic Header (Part No.31530FLT)

Ceramic Header

from

$463.99


Product 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
See More

Hooker Headers – Competition Header (Part No.2453-1HKR)

Competition Header

from

$627.99
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:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
See More

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

Direct Fit Exhaust Manifold: Without Heat Shield

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:
  • 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
See More

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

Exhaust Manifold/Header

from

$237.99
Exhaust Manifold/Header

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-202)

Direct Fit Exhaust Manifold: Without Heat Shield

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:
  • 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
See More

Flowtech – Ceramic Header (Part No.31500FLT)

Ceramic Header

from

$469.99


Product 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
See More

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
See More

Hooker Headers – ExhstHdr (Part No.2301HKR)

ExhstHdr

from

$617.99
ExhstHdr

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-203)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$149.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
See More

1975 GMC K25 Exhaust Manifold and Headers

Maybe you’re in the middle of a full rebuild of that 1975 GMC K25. Maybe you just need a couple of Exhaust Manifold and Headers. Either way, Advance Auto Parts has 16 different Exhaust Manifold and Headers in our inventory ranging from $18.99 to $627.99. That means you can find the exact parts or products you need to keep that 1975 GMC K25 running smoothly.

Exhaust Manifold and Headers are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1975 GMC K25. Mr. Gasket, Dorman, and ARP Auto Racing are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Exhaust Manifold and Headers for your 1975 GMC K25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Exhaust Manifold and Headers to keep your 1975 GMC K25 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Exhaust Manifold and Headers Brands To Make Your 1975 GMC K25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 GMC K25 demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust Manifold and Headers make up Advance Auto Parts’ inventory, and all are ready to help make your K25 the best it can be. Be sure to browse some of our top Exhaust Manifold and Headers brands and parts.

Popular Dorman Exhaust Manifold and Headers

We carry Dorman parts in our stock across Exhaust Manifold and Headers categories, plus more. For a 1975 GMC K25, our most popular Dorman Exhaust Manifold and Headers include:
Direct Fit Exhaust Manifold: Without Heat Shield
from $149.99
(1)
Direct Fit Exhaust Manifold: Without Heat Shield
Exhaust Manifold and Headers

Top 1975 GMC K25 Exhaust Manifold and Headers from Dynomax

Dynomax products are another trusted brand when it comes to Exhaust Manifold and Headers for your 1975 GMC K25. Popular Dynomax parts include:
Manifold/Header
from $99.99
(2)
Manifold/Header
Exhaust Manifold and Headers

FAQs for 1975 GMC K25 Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the 1975 GMC K25?

Out of 16 Exhaust Manifold and Headers for the 1975 GMC K25, the most popular in our inventory are:
Header Bolt Set
from $44.99
This product is not rated
Header Bolt Set
Exhaust Manifold and Header Hardware
Direct Fit Exhaust Manifold: Without Heat Shield
from $145.99
This product is not rated
Direct Fit Exhaust Manifold: Without Heat Shield
Exhaust Manifold and Headers
Ceramic Header
from $469.99
(2)
Ceramic Header
Exhaust Manifold and Headers