1966 Pontiac GTO Exhaust Parts

Essential 1966 Pontiac GTO Exhaust Parts

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

Vibe-Lock Bolt

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$89.99
Vibe-Lock Bolt

Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (Part No.03413HP)

Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel

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$28.99
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:
  • Upgraded hardware – this set of twelve M8-1.25 x 30mm exhaust manifold mounting bolts are 100 percent stainless steel for superior heat and corrosion resistance
  • Convenient solution – kit contains all the application-specific hardware necessary to install one exhaust manifold
  • Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Mr. Gasket – ExhstHdrBolt (Part No.2230G)

ExhstHdrBolt

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$46.99
ExhstHdrBolt

ARP Auto Racing – For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (Part No.134-1102)

For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12

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$41.49
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
  • Set of 12
  • 3/8” Wide Header Flange
  • 1.181? Underhead Length
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JBA Performance – 40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust (Part No.40-3109)

40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust

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$912.99
When it comes to performance exhaust systems, most people are looking for three things: Power, sound,and quality. JBA Exhaust Systems deliver the best of all three, giving it both great looks and performance.One of the first performance upgrades typical

Product Features:
  • JBA Performance Exhaust 40-3109 2.5″ Stainless Steel Exhaust System 04 GTO Dual Exhaust
  • Large diameter stainless steel mandrel-bent tube
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MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.16734)

Competition Series Cat-Back Performance Exhaust System

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$1565.99
The MagnaFlow 2005-2006 Pontiac GTO Competition Series Cat-Back Performance Exhaust System 16734 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 6.0L 2005-2006 Pontiac GTO with dyno-proven performance made possible thanks to fast-flowing mandrel bent 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips featuring a sporty finish. The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back. Exhaust system 16734 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16734’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.

Product Features:
  • Crafted from 409 stainless steel with all mandrel-bent tubing
  • Increased horsepower and torque
  • Aggressive exterior sound
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MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15898)

Street Series Crossmember-Back Performance Exhaust System

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$1083.99
The MagnaFlow Street Series Crossmember-Back Performance Exhaust System 15898 brings enhanced engine sound and dyno-proven performance to your muscle car with a healthy helping of our deep, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear Behind Rear Tires exit that you can enhance with tips of your choosing, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15898 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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Thrush – 89023 Exhaust System Kit (Part No.89023)

89023 Exhaust System Kit

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$379.99
Upgrade your vintage muscle car’s exhaust system with a Thrush® Turbo Header Back System. Featuring Thrush Turbo mufflers with reversible flow chambers, spun-locked heads and aluminized construction, it has everything needed for installation.

Product Features:
  • ENGINEERED TO LAST — Features 2.5-in. aluminized smooth bend pipes
  • CLASSIC SOUND — Features Thrush® Turbo mufflers with tri-flow design with reversible flow chambers for that classic Thrush sound
  • STRONG AND DURABLE — Muffler has a 100% aluminized-coated shell and spun lock heads for long life
  • EASY TO INSTALL — Bolt-on installation for an easy upgrade; no fabrication or welding required
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Patriot Exhaust – H8301 1 5/8" Full Length Header Pontiac Firebird 350-455 70-79 Raw (Part No.H8301)

H8301 1 5/8" Full Length Header Pontiac Firebird 350-455 70-79 Raw

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$374.99
Full length and fenderwell headers provide the ultimate performance for streetrodders with high performance engines. These header styles have longer primarytubes, which help produce more horsepower and torque than Tight Tucks. Chassisheaders fit inside

Product Features:
  • Patriot Exhaust H8301 1 5/8″ Full Length Header Pontiac Firebird 350-455 70-79 Raw
  • Full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications were there is room to fit a long tube design.
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Flowtech – Ceramic Header (Part No.31170FLT)

Ceramic Header

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$498.99


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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Hooker Headers – Competition Header (Part No.4901-1HKR)

Competition Header

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$679.99
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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JBA Performance – 6812SJT 1 3/4" Header Long Tube Stainless Steel 2004-06 Pontiac GTO Titanium Ceramic (Part No.6809SJT)

6812SJT 1 3/4" Header Long Tube Stainless Steel 2004-06 Pontiac GTO Titanium Ceramic

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$1015.99
JBA long tube headers are the number one choice for maximum performance gains and high RPMefficiency. These long tube designs are dyno and race proven to deliver the greatest possible increase inhorsepower and torque throughout the RPM range. All JBA lo

Product Features:
  • JBA Performance Exhaust 6812SJT 1 3/4″ Header Long Tube Stainless Steel 2004-06 Pontiac GTO Titanium Ceramic
  • 3/8″ thick CNC laser-cut flanges
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JBA Performance – 1809S 1 5/8" Header Shorty Stainless Steel 04-06 Pontiac GTO 5.7/6.0L (Part No.1809S)

1809S 1 5/8" Header Shorty Stainless Steel 04-06 Pontiac GTO 5.7/6.0L

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$839.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1809S 1 5/8″ Header Shorty Stainless Steel 04-06 Pontiac GTO 5.7/6.0L
  • Mandrel bent stainless steel tube
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JBA Performance – 1809SJS 1 5/8" Header Shorty Stainless Steel 04-06 Pontiac GTO 5.7/6.0L Silver Ceramic (Part No.1809SJS)

1809SJS 1 5/8" Header Shorty Stainless Steel 04-06 Pontiac GTO 5.7/6.0L Silver Ceramic

from

$971.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1809SJS 1 5/8″ Header Shorty Stainless Steel 04-06 Pontiac GTO 5.7/6.0L Silver Ceramic
  • Mandrel bent stainless steel tube
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 92467)

Exhaust Manifold Gasket Set

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$31.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Hooker Headers – Super Competition Header Gasket (Part No.10848HKR)

Super Competition Header Gasket

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$19.99
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:
  • Tear Resistant
  • Precisely Cut To Match Header
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Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66042)

Seal-4-Good Header Flange Gasket

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$48.99
Seal-4-Good Header Flange Gasket

Felpro – Exhaust Manifold Gasket Set (Part No.MS 90111)

Exhaust Manifold Gasket Set

from

$24.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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MAHLE Original – EXH MANIFOLD GKT SET (Part No.MS16124)

EXH MANIFOLD GKT SET

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$35.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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GM Genuine Parts – Exhaust Manifold Gasket (Part No.12617944)

Exhaust Manifold Gasket

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$17.99
GM Genuine Parts Exhaust Manifold Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They help form a gas-tight connection between the exhaust manifold and cylinder heads. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps prevent exhaust leaks
  • Helps provide a tight seal where the exhaust manifold mounts to the engine block
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 9499 SH)

Exhaust Manifold Gasket Set

from

$16.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18280)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

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$84.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
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Walker – Sound Solution Muffler (Part No.18693)

Sound Solution Muffler

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$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Flowmaster Inc. – 70 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, 22in long, Non-Reversible, Mild Sound (Part No.52573)

70 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, 22in long, Non-Reversible, Mild Sound

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$220.99
The 70 series utilizes Flowmaster’s patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV’s, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.18101)

SoundFX Muffler, Universal/ Fabrication Needed

from

$85.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
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Walker – Sound Solution Muffler (Part No.18601)

Sound Solution Muffler

from

$58.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, and spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance and favorable acoustics.

Product Features:
  • Aluminized steel construction for corrosion resistance and durability
  • Mechanical interior joints for durability
  • Spun-locked heads for rupture resistance
  • Tube-and-partition style interior design
  • Universal mufflers may require modifications to complete installation
  • Spot welded bushings provide stability and system support
  • Some mufflers available with reinforced bracketed heads
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1966 Pontiac GTO Exhaust Parts

You count on your 1966 Pontiac GTO to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 16 Exhaust Parts ranging in price from $16.29 to $919.99, you’re sure to find everything you need for your 1966 Pontiac GTO.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 9 different brands like Felpro, Hooker Headers, and Mr. Gasket. 1966 Pontiac GTO Exhaust Parts start as low as $16.29!

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 1966 Pontiac GTO below to get started!

FAQs for 1966 Pontiac GTO Exhaust Parts

What are the most purchased Exhaust Parts for the 1966 Pontiac GTO?

Out of 16 Exhaust Parts for the 1966 Pontiac GTO, the most popular in our inventory are:
Exhaust Manifold Gasket Set
from $16.29
This product is not rated
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets
Super Competition Header Gasket
from $19.99
This product is not rated
Super Competition Header Gasket
Exhaust Manifold Gaskets
Seal-4-Good Header Flange Gasket
from $48.99
This product is not rated
Seal-4-Good Header Flange Gasket
Exhaust Manifold Gaskets