2004 Ford Mustang Exhaust System Kits

Essential 2004 Ford Mustang Exhaust System Kits

MagnaFlow – Race Series Axle-Back Performance Exhaust System (Part No.19344)

Race Series Axle-Back Performance Exhaust System

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$621.99
The MagnaFlow 2015-2017 Ford Mustang Race Series Axle-Back Performance Exhaust System 19344 doesn’t leave any performance on the table with a race-ready, light weight, dyno-proven design ready to help your 5.0L 2015-2017 Ford Mustang take on any pretenders, whether on the track or the street. Exhaust kit 19344 is engineered to produce our powerful, resonant signature exhaust note at Very Aggressive exterior and Aggressive interior sound levels with an axle-back layout that replaces your vehicle’s exhaust components from near the rear axle on back. Please check to ensure compliance with local noise regulations. This Ford Mustang exhaust kit features fast-flowing mandrel bent 3in. diameter main piping that ends in a Dual Split Rear exit with 4.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. Extensive 3D scanning during development and the use of advanced CNC precision robotic manufacturing techniques ensures that 19344’s direct-fit design fits so perfectly that you can easily install the system yourself. The durable, corrosion resistant stainless steel construction of exhaust system 19344 is backed by MagnaFlow’s limited lifetime warranty.

Product Features:
  • High performance lightweight design
  • Straight pipe-like sound
  • Durable corrosion-resistant stainless steel construction
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Flowmaster Inc. – Axle-back System 409S – Dual Rear Exit – Force II – Moderate Sound (Part No.817497)

Axle-back System 409S - Dual Rear Exit - Force II - Moderate Sound

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$707.99
Wake up the performance and sound hidden in your V6-powered 2011 to 2013 Mustang with a Flowmaster Force II exhaust system. These moderate sounding systems retain the dual exhaust system outlets and are designed to replace the original rear mounted mufflers using factory hangers and connections. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially tuned mufflers. As a Force II system, it delivers a moderate exterior tone and a mild interior tone and is suited to the enthusiast who wants a subtle but distinctive exhaust note. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. The kit is a true bolt-on and includes everything you need to easily install at home with basic hand tools.
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Flowmaster Inc. – Axle-back System – Single Rear Exit – American Thunder – Moderate Sound (Part No.17421)

Axle-back System - Single Rear Exit - American Thunder - Moderate Sound

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$405.99
This aggressive sounding system is designed to replace the original rear mounted mufflers located behind the rear axle. With easy fit in mind, the system is mandrel bent for maximum performance and includes specially selected mufflers to support the performance image of the car. As an America Thunder system, it delivers an aggressive exterior tone with moderate interior sound level that is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation.
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MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.19101)

Competition Series Cat-Back Performance Exhaust System

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$1579.99
The MagnaFlow 2015-2017 Ford Mustang Competition Series Cat-Back Performance Exhaust System 19101 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 5.0L 2015-2017 Ford Mustang 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 4.5in. 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 19101 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19101’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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Flowmaster Inc. – Axle-back System 409S – Dual Rear Exit – Outlaw – Aggressive Sound (Part No.817592)

Axle-back System 409S - Dual Rear Exit - Outlaw - Aggressive Sound

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$599.99
Outlaw exhaust systems feature the race developed and proven Outlaw mufflers for a very aggressive sound outside the vehicle with a moderate interior sound level. As an Axle-back exhaust, this direct bolt on Outlaw system is easily installed at home and will add the performance improvements you expect from Flowmaster. The 4.00 in. polished stainless tips provide a performance look, while a lifetime limited warranty provides assurance that this American made exhaust will last.

Product Features:
  • Stainless steel construction
  • Dyno tuned for maximum performance
  • Flowmaster’s most aggressive system
  • Made in the USA
  • Premium Flowmaster quality
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MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15815)

Street Series Crossmember-Back Performance Exhaust System

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$923.99
The MagnaFlow 1964-1966 Ford Mustang Street Series Crossmember-Back Performance Exhaust System 15815 brings enhanced engine sound and dyno-proven performance to your 2.8L, 3.3L, 4.3L, 4.7L 1964-1966 Ford Mustang 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 Ford Mustang 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 Ford Mustang’s 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 Dual Split Rear exit with 2.75in. Polished Welded-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. 15815 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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Borla Performance Exhaust – T-304 Ss, 2.75"Pipe Dia, Dual Exhaust With Dual Exit, 4"Dia X 12" L Round (Part No.11806)

T-304 Ss, 2.75"Pipe Dia, Dual Exhaust With Dual Exit, 4"Dia X 12" L Round

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$784.99
The power of BORLA(R) Multicore technology, with the sound of vehicle-specific acoustic tuning. ATAK(R) technology is designed for high-performance purists who prefer exhaust sound over their stereos. ATAK(R) equipped exhaust systems deliver the highest available Decibel levels in the BORLA(R) street-legal lineup. ATAK(R) is tuned like a graphic equalizer to shape and focus sound waves for optimum high-volume output. ATAK(R) technology is based on specifically tuned attributes of the internal muffler cores, which are calibrated on a vehicle-by-vehicle basis to deliver the most desirable sound.

Product Features:
  • Delivers The Highest Available DB (Decibel) Levels In The Street-Legal Line Up
  • Tuned Like A Graphic Equalizer To Shape And Focus Sound Waves For Optimum High-Volume Output
  • Based On Specifically-Tuned Attributes Of The Internal Muffler Cores, Calibrated On A Vehicle-By-Vehicle Basis To Deliver The Most Desirable Sound
  • Fine-Tuned ATAK(R) Sound Differently For Each Vehicle By Combining Varying Degrees Of Solid Walls, Perforation Patterns, Diameters And Other Characteristics Of The Internal Cores
  • Sound Waves Are Attenuated And Tuned While Passing And Deflecting Through Multiple Core Walls
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MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.16674)

Competition Series Cat-Back Performance Exhaust System

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$1101.99
The MagnaFlow 2005-2009 Ford Mustang Competition Series Cat-Back Performance Exhaust System 16674 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 4.6L, 5.4L 2005-2009 Ford Mustang 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 16674 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16674’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 – Competition Series Cat-Back Performance Exhaust System (Part No.19099)

Competition Series Cat-Back Performance Exhaust System

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$1514.99
The MagnaFlow 2015-2017 Ford Mustang Competition Series Cat-Back Performance Exhaust System 19099 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 3.7L 2015-2017 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4.5in. 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 19099 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19099’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 Cat-Back Performance Exhaust System (Part No.19100)

Street Series Cat-Back Performance Exhaust System

from

$1579.99
The MagnaFlow 2015-2017 Ford Mustang Street Series Cat-Back Performance Exhaust System brings out the personality of your 5.0L 2015-2017 Ford Mustang with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, this Ford Mustang 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 Ford Mustang’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 19100 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. 19100 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15817)

Street Series Crossmember-Back Performance Exhaust System

from

$1083.99
The MagnaFlow 1964-1966 Ford Mustang Street Series Crossmember-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 2.8L, 3.3L, 4.3L, 4.7L 1964-1966 Ford Mustang 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 Ford Mustang 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 Ford Mustang’s 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 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. 15817 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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Borla Performance Exhaust – Cat-Back Exhaust System – S-Type (Part No.140590BC)

Cat-Back Exhaust System - S-Type

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$1448.99
Borla Performance Industries is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such “concours classics” as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today’s performance vehicles for the street, off-road, and racing.Borla is proud to offer a true “Made in the USA” product sold around the world. We are a company of motorheads, and it shows in our products, customer service, and culture. On weekends, the same Borla employees who built your exhaust or helped you with technical support can be found competing at tracks, drag strips, off-road events and car shows. Constructed using T-304 stainless steel for long life and sharp appearance, and features all welded construction for maximum durability. Unlike any other exhaust brand, Borla’systems are designed from scratch on a vehicle-by-vehicle basis. Every car or truck has unique mechanical and acoustical properties, all taken into account as we spend countless hours optimizing muffler body shapes, internal core configurations, flow dynamics,soundand more.

Product Features:
  • Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive powerful sound
  • Each system is built from premium, high-quality austenitic T-304 stainless steel
  • Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit
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JBA Performance – 50-2652 2.5" Stainless Exhaust System 65-70 Mustang Side Exit (Part No.50-2652)

50-2652 2.5" Stainless Exhaust System 65-70 Mustang Side Exit

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$382.99
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 50-2652 2.5″ Stainless Exhaust System 65-70 Mustang Side Exit
  • Large diameter stainless steel mandrel-bent tube
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Borla Performance Exhaust – T-304 Ss, 2.5" Dia, Single Exhaust Dual Exit, Dual Split 4" Round Rolled (Part No.140590)

T-304 Ss, 2.5" Dia, Single Exhaust Dual Exit, Dual Split 4" Round Rolled

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$1417.99
BORLA(R) Cat-Back(TM) And Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA(R) Sound of Power respected by motoring enthusiasts everywhere.

Product Features:
  • Built From Premium T-304 Austenitic Stainless Steel, Superior To T-400 Series Knockoffs, To Give You The Absolute Best In Performance And Durability
  • Straight-Through And Multi-Core Technology To Unleash Hidden Horsepower
  • Increased Exhaust Velocity Adds Power, Driving Excitement, Fuel Economy, And The Distinctive Sound Of Power Respected By Motoring Enthusiasts Everywhere
  • This System Features A Bright Chrome On T-304 Stainless Steel Tip
  • Ultra-Smooth Mandrel Bends Ensure Maximum Flow And Power, And Precision Computer-Controlled CNC Manufacturing Ensures An Accurate Fit
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Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03414B)

Exhaust Manifold Hardware Kit

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$25.99
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:
  • 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
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Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03407B)

Exhaust Manifold Hardware Kit

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$24.99
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:
  • 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
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Dorman – Help – Install Kit for mounting exhaust manifold to engine includes 6 studs and 6 nuts (Part No.03419B)

Install Kit for mounting exhaust manifold to engine includes 6 studs and 6 nuts

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$27.49
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:
  • 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
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Felpro – Exhaust Manifold Hardware Kit (Part No.ES 75114)

Exhaust Manifold Hardware Kit

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$30.49
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:
  • Designed and manufactured to meet the needs of the exhaust system repair environment.
  • Verified, tested and certified proprietary Organic coating resists corrosion.
  • Tightly controlled coefficient of friction ensures reliable installation.
  • Application specific kit contents
  • Self-locking nuts (where applicable).
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Felpro – EXHAUST FLANGE BOLT & SPRING KIT (Part No.ES 72142)

EXHAUST FLANGE BOLT & SPRING KIT

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$17.29
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
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Dorman – Help – Exhaust Manifold Mount Hardware – M8-1.25mm (Part No.03430)

Exhaust Manifold Mount Hardware - M8-1.25mm

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$25.99
Our Exhaust Manifold Hardware Kit comes with the necessary installation components to assist you in replacing your manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:
  • Direct replacement for a proper fit every time
  • Durable steel construction
  • Repair kit helps to secure exhaust manifold to the vehicle engine head
  • Manufactured to strict engineering quality standards
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2004 Ford Mustang Exhaust System Kits

Maybe you’re in the middle of a full rebuild of that 2004 Ford Mustang. Maybe you just need a couple of Exhaust System Kits. Either way, Advance Auto Parts has 3 different Exhaust System Kits in our inventory ranging from $27.49 to $1,199.99. That means you can find the exact parts or products you need to keep that 2004 Ford Mustang running smoothly.

Exhaust System Kits are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 2004 Ford Mustang. Dorman and Borla Performance Exhaust 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 Exhaust System Kits for your 2004 Ford Mustang, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Exhaust System Kits to keep your 2004 Ford Mustang 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!

Exhaust System Kits Brands To Make Your 2004 Ford Mustang Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2004 Ford Mustang demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust System Kits make up Advance Auto Parts’ inventory, and all are ready to help make your Mustang the best it can be. Be sure to browse some of our top Exhaust System Kits brands and parts.