1977 GMC K25 Performance Exhaust Products

Essential 1977 GMC K25 Performance Exhaust Products

Dynomax – Dual Header Exhaust System Kit for Classic 4WD Trucks & SUVs (Part No.89003)

Dual Header Exhaust System Kit for Classic 4WD Trucks & SUVs

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:
  • 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
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Dynomax – Dual Header Exhaust System Kit for 1973-89 GMC/Chevrolet 4WD Trucks/SUVs (Part No.89004)

Dual Header Exhaust System Kit for 1973-89 GMC/Chevrolet 4WD Trucks/SUVs

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:
  • 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
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Hooker Headers – Dual Competition Header Back Exhaust System Kit (Part No.16526HKR)

Dual Competition Header Back Exhaust System Kit

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:
  • Reducer Flex-Tubes
  • Reduces Backpressure
  • Hardware Included
  • Instructions Included
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1411)

Exhaust Manifold Gasket Set

from

$42.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
  • Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
  • Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
  • Slotted bolt holes allow for easier header installation.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Exhaust Manifold Gasket Set for Chevrolet (Part No.7205)

Exhaust Manifold Gasket Set for Chevrolet

from

$31.99
Product Features:
  • Designed To Match Port Openings Of Cylinder Heads
  • Excellent Free-Flowing Seal
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Mr. Gasket – Exhaust Gasket Set (Part No.152A)

Exhaust Gasket Set

from

$30.19
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:
  • 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
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Mr. Gasket – Performance Exhaust Gasket Set for Enhanced Sealing and Durability (Part No.150B)

Performance Exhaust Gasket Set for Enhanced Sealing and Durability

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:
  • 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
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5911)

Ultra Seal: Exhaust Gasket Set

from

$38.59
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:
  • Has A Steel Core With Graphite Facing
  • Graphite Facing Has Excellent Thermo-conductivity
  • Can Be Trimmed If Necessary For Modified Port App
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Flowtech – Real-Seal; Header Gasket (Part No.99150AFLT)

Real-Seal; Header Gasket

from

$85.39


Product Features:
  • Water/Weather Resistant
  • Re-Useable
  • Will Not Burn Or Blow Out
  • Suitable For Port-Matching
  • Made In USA
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1448)

Exhaust Manifold Gasket Set

from

$34.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
  • Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
  • Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
  • Slotted bolt holes allow for easier header installation.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5908)

Ultra Seal: Exhaust Gasket Set

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:
  • 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
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Mr. Gasket – Alternator Bracket (Part No.4954)

Alternator Bracket

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:
  • Chrome plated
  • Similar to OEM design
  • May be adaptable to other applications
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Mr. Gasket – Alternator Bracket (Part No.5170)

Alternator Bracket

from

$38.49
Original equipment style bracket in high quality chrome for years of service. Includes hardware.

Product Features:
  • Chrome Plated Heavy Gauge Steel
  • Can Be Used For Other Applications
  • Looks Better Than Painted
  • Hardware included
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Mr. Gasket – Header Bolt Set (Part No.2210G)

Header Bolt Set

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:
  • 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
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Mr. Gasket – Alternator Bracket (Part No.5171)

Alternator Bracket

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:
  • Replaced GM # 6262956
  • Polished To High Luster
  • Chrome Plated For Lasting Beauty
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Spectre – Alternator Bracket (Part No.4719)

Alternator Bracket

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:
  • 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
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Mr. Gasket – Header Bolt Set (Part No.2211G)

Header Bolt Set

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

Exhaust Manifold/Header

from

$237.99
Exhaust Manifold/Header

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

Competition Header

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:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
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Hooker Headers – LS1 Swap Headers for 66-72 Chevelle, El Camino & More (Part No.2453HKR)

LS1 Swap Headers for 66-72 Chevelle, El Camino & More

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:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
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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
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Flowtech – Ceramic Header (Part No.31506FLT)

Ceramic Header

from

$499.99


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
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1977 GMC K25 Performance Exhaust Products

Maybe you’re in the middle of a full rebuild of that 1977 GMC K25. Maybe you just need a couple of Performance Exhaust Products. Either way, Advance Auto Parts has 36 different Performance Exhaust Products in our inventory ranging from $19.29 to $499.99. That means you can find the exact parts or products you need to keep that 1977 GMC K25 running smoothly.

Performance Exhaust Products 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 1977 GMC K25. Mr. Gasket, FEL-PRO Performance, and Hooker Headers 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 Performance Exhaust Products for your 1977 GMC K25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 61 reviews in this category, some of the top rated parts include LS1 Swap Headers for 66-72 Chevelle, El Camino & More with 4.5 stars and Dual Competition Header Back Exhaust System Kit with 5.0 stars.

So if you’re in the market for aftermarket Performance Exhaust Products to keep your 1977 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!

Performance Exhaust Products Brands To Make Your 1977 GMC K25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 GMC K25 demands trusted brand parts and products to keep it running. Many trusted brands of Performance Exhaust Products 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 Performance Exhaust Products brands and parts.

Popular Flowtech Performance Exhaust Products

We carry Flowtech parts in our stock across Performance Exhaust Manifold Gaskets categories, plus more. For a 1977 GMC K25, our most popular Flowtech Performance Exhaust Products include:
Real-Seal; Header Gasket
from $85.39
(1)
Real-Seal; Header Gasket
Performance Exhaust Manifold Gaskets

FAQs for 1977 GMC K25 Performance Exhaust Products

What are the most purchased Performance Exhaust Products for the 1977 GMC K25?

Out of 36 Performance Exhaust Products for the 1977 GMC K25, the most popular in our inventory are:
Exhaust Manifold Gasket Set
from $31.49
(2)
Exhaust Manifold Gasket Set
Performance Exhaust Manifold Gaskets
Header Bolt Set
from $41.99
This product is not rated
Header Bolt Set
Performance Exhaust Header Hardware
Copper Seal; Exhaust Gasket Set
from $60.29
This product is not rated
Copper Seal; Exhaust Gasket Set
Performance Exhaust Manifold Gaskets

What are the top-rated 1977 GMC K25 Performance Exhaust Products?

Top-rated Performance Exhaust Products for your 1977 GMC K25 based on customer reviews/ratings are:
LS1 Swap Headers for 66-72 Chevelle, El Camino & More
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”
Dual Competition Header Back Exhaust System Kit
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 ”