2009 Ford Mustang Exhaust System Kits

Your 2009 Ford Mustang might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Exhaust System Kits you desperately need.

We currently carry 10 Exhaust System Kits to choose from for your 2009 Ford Mustang, and our inventory prices range from as little as $405.99 up to $1,160.99.

On top of low prices, Advance Auto Parts offers 4 different trusted brands of Exhaust System Kits for the 2009 Ford Mustang. We only sell parts from trusted brands like Flowmaster Inc. so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Exhaust System Kits stock in-person!

Exhaust System Kits for Your 2009 Ford Mustang

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP (Part No.49-43047)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP

from

$1160.99
Introducing the new aFe Power MACH Force XP dual exhaust system for the 05-09 Ford Mustang V6-4.0L. In recent testing, this system produced 12 horsepower and 16 lbs. x ft. of torque. This exhaust is constructed from 2.5in. mandrel bent, stainless steel and is MIG-welded. Dual high flow, stainless steel, single in, single out mufflers are used to maximize performance across the power band while maintaining a great tone. To finish off this exhaust aFe uses dual, laser etched, 3.5in. polished 304 stainless steel tips. Note: The V8 rear bumper cover is recommended (Ford OE Part Number 5R3Z17K835BAA). The use of the OE V6 bumper cover requires cutting and should be performed by a skilled technician.

Product Features:
  • 2.5 in. Mandrel Bent 409 Stainless Steel Tubing
  • 100% Hand MIG Welded
  • Dual 3.5 in. 304 Stainless Steel Rolled Edge Round Tips
  • Hassle Free Installation
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MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.16674)

Competition Series Cat-Back Performance Exhaust System

from

$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 – Street Series Cat-Back Performance Exhaust System (Part No.15881)

Street Series Cat-Back Performance Exhaust System

from

$934.99
The MagnaFlow 2005-2009 Ford Mustang Street Series Cat-Back Performance Exhaust System brings out the personality of your 4.6L, 5.4L 2005-2009 Ford Mustang 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 Rolled 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 15881 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. 15881 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 – Competition Series Cat-Back Performance Exhaust System (Part No.16605)

Competition Series Cat-Back Performance Exhaust System

from

$899.99
The MagnaFlow 2005-2009 Ford Mustang Competition Series Cat-Back Performance Exhaust System 16605 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 4.0L 2005-2009 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 3.5in. Polished Welded-On Double Wall Angle Cut Rolled 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 16605 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16605’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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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

from

$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 Axle-Back Performance Exhaust System (Part No.16793)

Competition Series Axle-Back Performance Exhaust System

from

$735.99
The MagnaFlow 2005-2009 Ford Mustang Competition Series Axle-Back Performance Exhaust System 16793 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 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips featuring a sporty finish. The exhaust system’s axle-back layout replaces your ride’s exhaust system from near the rear axle on back. Exhaust system 16793 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 16793’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 – Race Series Axle-Back Performance Exhaust System (Part No.16843)

Race Series Axle-Back Performance Exhaust System

from

$630.00
The MagnaFlow 2005-2009 Ford Mustang Race Series Axle-Back Performance Exhaust System 16843 doesn’t leave any performance on the table with a race-ready, light weight, dyno-proven design ready to help your 4.6L, 5.4L 2005-2009 Ford Mustang take on any pretenders, whether on the track or the street. Exhaust kit 16843 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 2.5in. diameter main piping that ends in a Dual Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips. Extensive 3D scanning during development and the use of advanced CNC precision robotic manufacturing techniques ensures that 16843’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 16843 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 – Outlaw – Aggressive Sound (Part No.817511)

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

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$599.99
Flowmaster’s Outlaw Axle-back systems are race-oriented systems designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. Outlaw systems deliver an ultra aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purchase. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Product Features:
  • Mandrel bent 16 gauge 409 stainless tubing
  • Aggressive and powerful exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Axle back system
  • Dyno tuned for maximum performance
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MagnaFlow – Street Series Axle-Back Performance Exhaust System (Part No.15889)

Street Series Axle-Back Performance Exhaust System

from

$494.99
The MagnaFlow 2005-2009 Ford Mustang Street Series Axle-Back Performance Exhaust System 15889 brings enhanced engine sound and dyno-proven performance to your 4.0L 2005-2009 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 an axle-back layout designed to replace your Ford Mustang’s exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, your ride 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. 15889 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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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

from

$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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FAQs for 2009 Ford Mustang Exhaust System Kits

What are the most popular Exhaust System Kits for the 2009 Ford Mustang?

With 4 brands you can trust, our most popular Exhaust System Kits for the 2009 Ford Mustang parts are:
Competition Series Cat-Back Performance Exhaust System
from $899.99
This product is not rated
Competition Series Cat-Back Performance Exhaust System
Exhaust System Kits
T-304 Ss, 2.75"Pipe Dia, Dual Exhaust With Dual Exit, 4"Dia X 12" L Round
from $784.99
This product is not rated
T-304 Ss, 2.75"Pipe Dia, Dual Exhaust With Dual Exit, 4"Dia X 12" L Round
Exhaust System Kits
Axle-back System 409S - Dual Rear Exit - Outlaw - Aggressive Sound
from $599.99
This product is not rated
Axle-back System 409S – Dual Rear Exit – Outlaw – Aggressive Sound
Exhaust System Kits