GMC K25 Performance Exhaust Products
Your One-Stop Shop For Trusted GMC K25 Performance Exhaust Products
If you’re in search of GMC K25 Performance Exhaust Products aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 37 Performance Exhaust Products from top brands with prices ranging from $19.29 to $499.99.
Beyond great prices, we stock trusted brands manufacturing all types of Performance Exhaust Products for your GMC K25. Of the 7 OEM and aftermarket parts brands we carry, some of the most popular are Mr. Gasket, FEL-PRO Performance, and Hooker Headers.
And don’t forget to read customer reviews across all Performance Exhaust Products 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 Performance Exhaust Products have to cost top dollar, and we prove it. Browse our top GMC K25 Performance Exhaust Products below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.
Essential GMC K25 Performance Exhaust Products
Dynomax – Dual Header Exhaust System Kit for Classic 4WD Trucks & SUVs (Part No.89003)
from
$209.99
Give your vintage vehicle’s exhaust system an upgrade with a DynoMax? dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of mounting options.
Product Features:
See More
Product Features:
- COMPATIBILITY — Designed for a variety of full-size 1973-89 GMC 4WD trucks and Chevrolet 4WD SUVs; see product information for compatibility and engine spec
- BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE manifolds
- FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
- IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
- SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tailpipes exit each side of vehicle behind rear tires
- COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
- PREMIUM MATERIALS — Made from quality aluminized steel for durability and long life
- PREMIUM MATERIALSÿ–ÿMade from quality aluminized steel for durability and long life
- BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
- WARNING — Not legal for use on pollution-controlled motor vehicles
Dynomax – Dual Header Exhaust System Kit for 1973-89 GMC/Chevrolet 4WD Trucks/SUVs (Part No.89004)
from
$134.99
Give your vintage vehicle’s exhaust system an upgrade with a DynoMax? dual header kit. Designed to attach to headers, it features a special reducer that allows for a variety of mounting options.
Product Features:
See More
Product Features:
- COMPATIBILITY — Designed for a variety of full-size 1973-89 GMC 4WD trucks and Chevrolet 4WD SUVs; see product information for compatibility and engine spec
- BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE headers
- FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
- IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
- SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tail pipes exit each side of vehicle behind rear tires
- COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
- PREMIUM MATERIALS — Made from quality aluminized steel for durability and long life
- PREMIUM MATERIALSÿ–ÿMade from quality aluminized steel for durability and long life
- BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
- WARNING — Not legal for use on pollution-controlled motor vehicles; headers are for racing use only and not intended or applicable for highway use
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.
Product Features:
See More
Product Features:
- Reducer Flex-Tubes
- Reduces Backpressure
- Hardware Included
- Instructions Included
Mr. Gasket – Exhaust Gasket Set (Part No.152)
from
$36.49
Mr. Gasket’s Performance Header Gaskets are manufactured from a heavy duty high-temperature material, .062 inch? thick, consisting of an acrylic binder system to resist high temperature. Provides excellent sealing and durability with maximum torque retention to eliminate gasket failure. While precision die-cut for an excellent fit, it can be trimmed if necessary for modified port applications. For OE replacement, higher performance street, drag race and oval track use.
Product Features:
See More
Product Features:
- Provides excellent sealing and durability.
- Precision die-cut for an excellent fit
- Manufactured from high-temperature acrylic blend exhaust material
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
Mr. Gasket – Exhaust Manifold Gasket -Performance (Part No.5906)
from
$45.99
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.
Product Features:
See More
Product Features:
- Manufactured from high-temperature steel core/graphite faced exhaust material
- Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
- Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
- Conforms to and seals minor surface irregularities
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
- Anti-Stick Properties
- Easy Removal For Disassembly
Edelbrock – Exhaust Manifold Gasket Set for Chevrolet (Part No.7205)
from
$31.99
Product Features:
See More
- Designed To Match Port Openings Of Cylinder Heads
- Excellent Free-Flowing Seal
Hooker Headers – Super Competition Header Gasket (Part No.10809HKR)
from
$23.29
Hooker’s precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of a thick ,.060 inch, high temperature, non-asbestos fiber laminate with a perforated steel core, which provides a superior grip and adhesion. This construction also contributes to exact fit compliance between the cylinder head and header flange, offering excellent sealing properties during extreme temperature and operating conditions.
Product Features:
See More
Product Features:
- Tear Resistant
- Precisely Cut To Match Header
Mr. Gasket – Copper Seal; Exhaust Gasket Set (Part No.7150)
from
$59.99
Copperseal exhaust gaskets are unique gaskets made from .043 inch solid copper. They feature an embossed O-ring design for a leak proof seal. They won’t shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes and towing.
Product Features:
See More
Product Features:
- Will Not Shrink/Deteriorate
- Creates A Tight Leak Proof Seal
- Helps Lower Under hood Temps
- Seals Irregular Surfaces
- Seals Slightly Damaged Surface
- Ideal For Tow Vehicles
- Ideal For Motor Homes
Mr. Gasket – Performance Exhaust Gasket Set for Enhanced Sealing and Durability (Part No.150B)
from
$20.99
Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.
Product Features:
See More
Product Features:
- Manufactured from high-temperature acrylic blend exhaust material
- Provides excellent sealing and durability
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
- Resists Deteriorating
- Provides Excellent Torque Retention
Mr. Gasket – Copper Seal; Exhaust Gasket Set (Part No.7151)
from
$60.29
Copperseal exhaust gaskets are unique gaskets made from .043 inch solid copper. They feature an embossed O-ring design for a leak proof seal. They won’t shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes and towing.
Product Features:
See More
Product Features:
- Will Not Shrink/Deteriorate
- Creates A Tight Leak Proof Seal
- Helps Lower Under hood Temps
- Seals Irregular Surfaces
- Seals Slightly Damaged Surface
- Ideal For Tow Vehicles
- Ideal For Motor Homes
Flowtech – Ceramic Header (Part No.31530FLT)
from
$463.99Product 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
Flowtech – Ceramic Header (Part No.31506FLT)
from
$499.99Product 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
Flowtech – Exhaust Manifold/Header (Part No.11530FLT)
from
$237.99
Exhaust Manifold/Header
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.
Product Features:
See More
Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
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:
See More
Product Features:
- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Mr. Gasket – Alternator Bracket (Part No.5170)
from
$38.49
Original equipment style bracket in high quality chrome for years of service. Includes hardware.
Product Features:
See More
Product Features:
- Chrome Plated Heavy Gauge Steel
- Can Be Used For Other Applications
- Looks Better Than Painted
- Hardware included
Mr. Gasket – Header Bolt Set (Part No.2211G)
from
$50.39
Made of high quality stainless steel. These bolts will brighten up your hot rod, or improve the looks of your race car.
Product Features:
See More
Product Features:
- Bright Ball Burnish Finish
- Made From 304 Stainless
- Compact Hex Head Is Ideal Where Space Is Limited
- 16 per Package
- Resist corrosion and provides a clean professional appearance
Spectre – Alternator Bracket (Part No.4719)
from
$30.99
This Spectre Alternator Bracket is an upper mount designed to fit 1969 and later Chevrolet Big Block engines with a long water pump. Featuring a triple chrome-plated finish and high quality steel construction, this part is an OEM replacement that mounts on the passenger’s side.
Product Features:
See More
Product Features:
- Fits Big Block Chevy engines with a long water pump from 1969 and later
- Manufactured from high quality steel
- Upper bracket for passenger side mounting
- Features a triple chrome-plated finish
- Stock replacement part
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.
Product Features:
See More
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
Mr. Gasket – Alternator Bracket (Part No.4954)
from
$19.29
These brackets are made from heavy gauge steel, polished to a high luster, then chrome plated. Similar in design to OEM units, these brackets can be adapted to other engines.
Product Features:
See More
Product Features:
- Chrome plated
- Similar to OEM design
- May be adaptable to other applications
Mr. Gasket – Alternator Bracket (Part No.5171)
from
$37.69
These brackets are made from heavy gauge steel, polished to a high luster, then chrome plated for lasting beauty, Similar in design to OEM units, these brackets can be adapted to other engines.
Product Features:
See More
Product Features:
- Replaced GM # 6262956
- Polished To High Luster
- Chrome Plated For Lasting Beauty
GMC K25 Performance Exhaust Products List
Performance Exhaust Products Brands You Can Trust For Your GMC K25
7 trusted brands of Performance Exhaust Products line our shelves, ready to help keep your GMC K25 running smooth. Below are some of the most popular brands and their top Performance Exhaust Products offerings:
Popular Flowtech Performance Exhaust Products
Flowtech products for the GMC K25 span several categories. Some of the highest-rated Flowtech Performance Exhaust Products that will fit your GMC K25 are:
Top GMC K25 Performance Exhaust Products from Mr. Gasket
Your GMC K25 will be purring again thanks to Mr. Gasket brand Performance Exhaust Products available for online order or in-store pick up. Popular Mr. Gasket parts include:
from
$20.99
(14)
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
Performance Exhaust Manifold Gaskets
Most Purchased GMC K25 Performance Exhaust Products from Mr. Gasket
When you buy the most frequently purchased Mr. Gasket brand Performance Exhaust Products, you can be confident it will be the right part for your GMC K25. Here are the Mr. Gasket Performance Exhaust Products Advanced Auto customers buy the most:
from
$20.99
(14)
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
Performance Exhaust Manifold Gaskets
FAQs for GMC K25 Performance Exhaust Products
What are the most purchased Performance Exhaust Products for the GMC K25?
Out of 37 Performance Exhaust Products for the GMC K25, the most popular in our inventory are:
from
$60.29
This product is not rated
Copper Seal; Exhaust Gasket Set
Performance Exhaust Manifold Gaskets
What are the top-rated GMC K25 Performance Exhaust Products?
Top-rated Performance Exhaust Products for your GMC K25 based on customer reviews/ratings are:
from
$298.99
(2)
LS1 Swap Headers for 66-72 Chevelle, El Camino & More
“Used other headers before and ive never had an install go so easy. Ive used the flowtech headers also made by holley but they are nowhere near the sam”
from
$296.99
(1)
Dual Competition Header Back Exhaust System Kit
“This exhaust system is about as good as it gets for pre bent systems. The mandrel bends had no kinks and installed very easily. It hooked right up to ”
