GMC K15 Exhaust Manifold and Headers

Your One-Stop Shop For Trusted GMC K15 Exhaust Manifold and Headers

If you’re in search of GMC K15 Exhaust Manifold and Headers aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 32 Exhaust Manifold and Headers from top brands with prices ranging from $31.99 to $899.99.

Beyond great prices, we stock trusted brands manufacturing all types of Exhaust Manifold and Headers for your GMC K15.

And don’t forget to read customer reviews across all Exhaust Manifold and Headers categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Exhaust Manifold and Headers have to cost top dollar, and we prove it. Browse our top GMC K15 Exhaust Manifold and Headers below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential GMC K15 Exhaust Manifold and Headers

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, 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

$51.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 Psi Tensile Strength
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
See More

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)

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

from

$71.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
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

$33.99
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

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

Vibe Lock Header Bolt Kit

from

$89.99
Vibe Lock Header Bolt Kit

Mr. Gasket – Exhsthdrbolt (Part No.2231G)

Exhsthdrbolt

from

$58.99
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:
  • 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
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

$31.99
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

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

Vibe-Lock Bolt

from

$89.99
Vibe-Lock Bolt

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

$31.99
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

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

$44.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
See More

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

Competition Header

from

$819.99
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

$173.99
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 – Flowtech LS Swap Exhaust Manifolds – Silver Ceramic Finish (Part No.31730-1FLT)

Flowtech LS Swap Exhaust Manifolds - Silver Ceramic Finish

from

$497.99
Product Features:
  • Intended for GM LS engine swap applications where durability and leak-free sealing is desired at a budget-oriented price
  • Nickel plated steel mating flanges included (mating flange fasteners are not included)
  • 2.25 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold
  • 2 bolt exit flange configuration matches the E-rod exhaust manifolds for a factory like fitment. This allows the use of factory gaskets and fasteners if desired, for an OE quality seal and fitment to emissions devices
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Available in plain as-cast finish or with black or silver ceramic coatings for reduced engine compartment temps and improved corrosion resistance
See More

Flowtech – Ceramic Header (Part No.31506FLT)

Ceramic Header

from

$562.99


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

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

Direct Fit Exhaust Manifold: without Heat Shield

from

$202.99
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

Hooker BlackHeart – Hooker BlackHeart LS Swap Exhaust Manifolds – Stainless Steel – Natural Cast (Part No.8503HKR)

Hooker BlackHeart LS Swap Exhaust Manifolds - Stainless Steel - Natural Cast

from

$674.99
Product Features:
  • 2.5-inch outlet diameter offers improved flow for maximum performance from a cast exhaust manifold
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • Plain as-cast finish for a factory appearance. Also available in polished.
  • Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware included
  • Stainless Steel construction to provide unmatched durability and corrosion resistance
  • Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans
See More

Hooker BlackHeart – Hooker BlackHeart LS Swap Exhaust Manifolds – Stainless Steel – Polished Finish (Part No.8503-1HKR)

Hooker BlackHeart LS Swap Exhaust Manifolds - Stainless Steel - Polished Finish

from

$899.99
Product Features:
  • 2.5 inch outlet diameter offers improved flow for maximum performance from a cast exhaust manifold
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • Polished finish, but also available in natural cast finish for a factory appearance
  • Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware included
  • Stainless Steel construction to provide unmatched durability and corrosion resistance
  • Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans
See More

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

Competition Header

from

$699.99
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

Flowtech – Shty/Block Hugger Hd (Part No.11546FLT)

Shty/Block Hugger Hd

from

$292.99
Shty/Block Hugger Hd

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

Direct Fit Exhaust Manifold: without Heat Shield

from

$155.99
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 – High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals (Part No.11500FLT)

High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals

from

$242.99


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

Flowtech – Shty/Block Hugger Hd (Part No.11551FLT)

Shty/Block Hugger Hd

from

$365.99
Shty/Block Hugger Hd

Flowtech – Flowtech LS Swap Exhaust Manifolds – Black Ceramic Finish (Part No.31730-3FLT)

Flowtech LS Swap Exhaust Manifolds - Black Ceramic Finish

from

$404.99
Product Features:
  • Intended for GM LS engine swap applications where durability and leak-free sealing is desired at a budget-oriented price
  • Nickel plated steel mating flanges included (mating flange fasteners are not included)
  • 2.25 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold
  • 2 bolt exit flange configuration matches the E-rod exhaust manifolds for a factory like fitment. This allows the use of factory gaskets and fasteners if desired, for an OE quality seal and fitment to emissions devices
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Available in plain as-cast finish or with black or silver ceramic coatings for reduced engine compartment temps and improved corrosion resistance
See More

Flowtech – Shty/Block Hugger Hd (Part No.11545FLT)

Shty/Block Hugger Hd

from

$268.99
Shty/Block Hugger Hd

Hooker Headers – ExhstHdr (Part No.2301HKR)

ExhstHdr

from

$716.99
ExhstHdr

Exhaust Manifold and Headers Brands You Can Trust For Your GMC K15

7 trusted brands of Exhaust Manifold and Headers line our shelves, ready to help keep your GMC K15 running smooth. Below are some of the most popular brands and their top Exhaust Manifold and Headers offerings:

Most Purchased GMC K15 Exhaust Manifold and Headers from Flowtech

When you buy the most frequently purchased Flowtech brand Exhaust Manifold and Headers, you can be confident it will be the right part for your GMC K15. Here are the Flowtech Exhaust Manifold and Headers Advanced Auto customers buy the most:
High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals
from $242.99
(13)
High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals
Exhaust Manifold and Headers
Direct Fit Exhaust Manifold: without Heat Shield
from $202.99
This product is not rated
Direct Fit Exhaust Manifold: without Heat Shield
Exhaust Manifold and Headers
Direct Fit Exhaust Manifold: without Heat Shield
from $166.99
This product is not rated
Direct Fit Exhaust Manifold: without Heat Shield
Exhaust Manifold and Headers

FAQs for GMC K15 Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the GMC K15?

Out of 32 Exhaust Manifold and Headers for the GMC K15, the most popular in our inventory are:
Direct Fit Exhaust Manifold: without Heat Shield
from $202.99
This product is not rated
Direct Fit Exhaust Manifold: without Heat Shield
Exhaust Manifold and Headers
Direct Fit Exhaust Manifold: without Heat Shield
from $166.99
This product is not rated
Direct Fit Exhaust Manifold: without Heat Shield
Exhaust Manifold and Headers
Direct Fit Exhaust Manifold: without Heat Shield
from $155.99
(5)
Direct Fit Exhaust Manifold: without Heat Shield
Exhaust Manifold and Headers