2004 Pontiac GTO Exhaust System Kits
Keep Your 2004 Pontiac GTO in Top Shape with Quality Exhaust System Kits
Whether you’re repairing or upgrading your Exhaust System Kit, using high-quality parts is key to keeping your 2004 Pontiac GTO looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Exhaust Manifold Gasket and Hardware Kits, Exhaust Manifold Hardware Kits, and Exhaust System Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2004 Pontiac GTO Exhaust System Kit at Advance Auto Parts is around $598.99, with a range that starts at $23.99 and goes up to $1,327.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Street Series Cat-Back Performance Exhaust System, 40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust, and Exhaust Manifold Hardware Kit start at just $23.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Exhaust System Kit, don’t forget to check out other key components like Catalytic Converters and Exhaust Manifold and Headers. At Advance Auto Parts, we’re here to help you keep your 2004 Pontiac GTO in peak condition, inside and out.
Find Your Specific 2004 Pontiac GTO Exhaust System Kits
Looking for the perfect Exhaust System Kit for your 2004 Pontiac GTO? You’re in the right place. Below, you’ll find links to various types of Exhaust System Kits that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Exhaust System Kits, ensuring durability and a precise fit for your Pontiac GTO. Whether you’re driving a 2004 model or another popular model year like
1966,
1967,
1968,
1969,
1970,
1971,
1972,
2005, and
2006, we’ve got you covered. Purchasing Exhaust System Kits from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Exhaust System Kits that fit your vehicle.
Essential 2004 Pontiac GTO Exhaust System Kits
MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15868)
from
$1327.99
The MagnaFlow 2004 Pontiac GTO Street Series Cat-Back Performance Exhaust System brings out the personality of your 5.7L 2004-2004 Pontiac GTO with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Straight Driver Side Rear exit with 3in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Pontiac GTO exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Pontiac GTO’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15868 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15868 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.
Product Features:
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Product Features:
- Durable corrosion-resistant stainless steel construction
- CNC precision robotic manufacturing techniques
- Dyno-proven performance
Thrush – Exhaust System Kit (Part No.89023)
from
$426.99
Product Features:
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- FOR CLASSIC VEHICLES: Designed for 1964-72 Buick Skylark; 1964-72 Chevrolet Chevelle, Malibu, Monte Carlo; 1964-72 Oldsmobile Cutlass, F85, Cutlass Supreme; 1964-72 Pontiac GTO, LeMans, Tempest; see product information for engine spec
- ENGINEERED TO LAST: Features 2.5-in. aluminized smooth bend pipes
- COMPLETE SOLUTION: Designed to bolt to full-length headers, the kit includes H-pipe balance tube and all hangers, brackets and other hardware necessary for installation
- 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
- BUY WITH CONFIDENCE: Comes with Thrush’s limited warranty
JBA Performance – 40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust (Part No.40-3109)
from
$988.99
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:
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Product Features:
- JBA Performance Exhaust 40-3109 2.5″ Stainless Steel Exhaust System 04 GTO Dual Exhaust
- Large diameter stainless steel mandrel-bent tube
MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15892)
from
$1327.99
The MagnaFlow 2005-2006 Pontiac GTO Street Series Cat-Back Performance Exhaust System brings out the personality of your 6.0L 2005-2006 Pontiac GTO with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. 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, this Pontiac GTO exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Pontiac GTO’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15892 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15892 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.
Product Features:
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Product Features:
- Durable corrosion-resistant stainless steel construction
- CNC precision robotic manufacturing techniques
- Dyno-proven performance
JBA Performance – 40-3110 2.5" Stainless Steel Exhaust System 05-06 GTO Dual Exhaust (Part No.40-3110)
from
$1004.99
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:
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Product Features:
- JBA Performance Exhaust 40-3110 2.5″ Stainless Steel Exhaust System 05-06 GTO Dual Exhaust
- Large diameter stainless steel mandrel-bent tube
MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15893)
from
$1142.99
The MagnaFlow Street Series Crossmember-Back Performance Exhaust System 15893 brings enhanced engine sound and dyno-proven performance to your muscle car with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild 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 2.5in. main piping and 2 Straight-Through mufflers ending in a Multiple Exit Options exit with 2.75in. Polished Weld-On Single Wall Turndown Cut Edge tips, 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. 15893 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited construction warranty.
Product Features:
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Product Features:
- Durable corrosion-resistant stainless steel construction
- CNC precision robotic manufacturing techniques
- Dyno-proven performance
Dorman – Help – Exhaust Manifold Hardware And Gasket Kit (Part No.57175)
from
$54.99
This components in this exhaust manifold gasket and hardware kit are designed to match the fit and function of the original components to restore a secure connection between the cylinder head and the exhaust manifold on specified vehicles.
Product Features:
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Product Features:
- Direct replacement – engineered to match the fit, function and performance of the original gasket(s) and hardware required to attach the exhaust manifold to the cylinder head
- Restores functionality – designed to ensure a secure connection when the original gasket(s) and hardware have fatigued, cracked or failed, or the exhaust manifold is being serviced
- Durable construction – designed, manufactured and tested to strict specifications for reliable service
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)
from
$17.99
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:
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Product Features:
- Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
- Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (OE Fix) (Part No.03413HP)
from
$32.99
The factory-style bolts used to secure the exhaust manifold to the cylinder head on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains twelve M8-1.25 x 30mm bolts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. The bolts are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the bolts required to install one exhaust manifold.
Product Features:
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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
Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)
from
$23.99
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:
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Product Features:
- Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
- Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Popular 2004 Pontiac GTO Exhaust System Kits Categories
Most Popular Exhaust Manifold Gasket and Hardware Kit for 2004 Pontiac GTOs
Enhance your 2004 Pontiac GTO with this popular Exhaust Manifold Gasket and Hardware Kit we have in stock, for $54.99.
Dorman – Help – Exhaust Manifold Hardware And Gasket Kit (Part No.57175)
from
$54.99
This components in this exhaust manifold gasket and hardware kit are designed to match the fit and function of the original components to restore a secure connection between the cylinder head and the exhaust manifold on specified vehicles.
Product Features:
See More
Product Features:
- Direct replacement – engineered to match the fit, function and performance of the original gasket(s) and hardware required to attach the exhaust manifold to the cylinder head
- Restores functionality – designed to ensure a secure connection when the original gasket(s) and hardware have fatigued, cracked or failed, or the exhaust manifold is being serviced
- Durable construction – designed, manufactured and tested to strict specifications for reliable service
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Best-Selling 2004 Pontiac GTO Exhaust Manifold Hardware Kit
Upgrade your GTO with our best-selling Exhaust Manifold Hardware Kit.
Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)
from
$23.99
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:
See More
Product Features:
- Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
- Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Top-Quality Exhaust System Kits for 2004 Pontiac GTOs
Choose a high-quality OEM or aftermarket Exhaust System Kit for Pontiac GTOs and enjoy top-notch performance from $988.99.
MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15868)
from
$1327.99
The MagnaFlow 2004 Pontiac GTO Street Series Cat-Back Performance Exhaust System brings out the personality of your 5.7L 2004-2004 Pontiac GTO with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Straight Driver Side Rear exit with 3in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Pontiac GTO exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Pontiac GTO’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15868 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15868 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.
Product Features:
See More
Product Features:
- Durable corrosion-resistant stainless steel construction
- CNC precision robotic manufacturing techniques
- Dyno-proven performance
JBA Performance – 40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust (Part No.40-3109)
from
$988.99
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:
See More
Product Features:
- JBA Performance Exhaust 40-3109 2.5″ Stainless Steel Exhaust System 04 GTO Dual Exhaust
- Large diameter stainless steel mandrel-bent tube
FAQs for 2004 Pontiac GTO Exhaust System Kits
What are the best-selling Exhaust System Kits for 2004 Pontiac GTOs?
Out of 4 Exhaust System Kits that fit 2004 Pontiac GTOs, the following parts are the top sellers:
- Street Series Cat-Back Performance Exhaust System (22316788) – $1,327.99
- 40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust (10535494) – $988.99
- Exhaust Manifold Hardware Kit (12592650) – $23.99
What’s the price range for 2004 Pontiac GTO Exhaust System Kits?
The prices of Exhaust System Kits for the 2004 Pontiac GTO range from $23.99 up to $1,327.99 for the most premium parts.
What is the average price of an Exhaust System Kit for a 2004 Pontiac GTO?
The average price for Exhaust System Kits for the 2004 Pontiac GTO is $598.99. Keep in mind the variety of part types within our Exhaust System Kit category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust System Kits for other Pontiac GTO model years?
What are the cheapest Exhaust System Kits for my 2004 Pontiac GTO?
The cheapest 2004 Pontiac GTO Exhaust System Kits we carry are:
- Exhaust Manifold Hardware Kit (12592650) – $23.99
- Exhaust Manifold Hardware And Gasket Kit (50248227) – $54.99
- 40-3109 2.5" Stainless Steel Exhaust System 04 GTO Dual Exhaust (10535494) – $988.99
- Street Series Cat-Back Performance Exhaust System (22316788) – $1,327.99
What types of Exhaust System Kits do you sell for my 2004 Pontiac GTO?
As of 11/2/25, these are some of the most in-demand types of Exhaust System Kits for a 2004 Pontiac GTO:
Can I get help with 2004 Pontiac GTO Exhaust System Kit orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Exhaust System Kits and more.
What is your return policy for Pontiac GTO Exhaust System Kits?
Advance Auto Parts keeps returns simple. For new Pontiac GTO Exhaust System Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.