2021 Ford Mustang Exhaust System Kits

Essential 2021 Ford Mustang Exhaust System Kits

Borla Performance Exhaust – T-304 Ss, 2.5"Pipe Dia, With Dual Exit, Single, 4" Round Rolled Angle Cut (Part No.11895)

T-304 Ss, 2.5"Pipe Dia, With Dual Exit, Single, 4" Round Rolled Angle Cut

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$962.99
BORLA(R) ATAK(R) (Acoustically-Tuned Applied Kinetics) Technology Is Designed For High-Performance. ATAK(R) equipped exhaust systems deliver the highest available Decibel levels in the BORLA(R) street-legal lineup and unlike inferior brands that lose significant sound quality at higher volumes, 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. The power of BORLA(R) Multicore(R) technology, with the sound of vehicle-specific acoustic tuning.

Product Features:
  • Designed For High-Performance
  • Equipped Exhaust Systems Deliver The Highest Available Decibel Levels
  • Tuned Like A Graphic Equalizer To Shape And Focus Sound Waves For Optimum High-Volume Output
  • Perforation Patterns, Diameters And Other Characteristics Of The Internal Cores To Optimize Sound On A Vehicle-By-Vehicle Basis
  • Sound Waves Are Attenuated And Tuned While Passing And Deflecting Through Multiple Core Walls
  • Exhaust Gas Velocity Maintained Throughout Temperature Range
  • 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 Mostádesirableásound
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Borla Performance Exhaust – Axle-Back Exhaust System – S-Type (Part No.11789)

Axle-Back Exhaust System - S-Type

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$1081.99
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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MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.19370)

Street Series Cat-Back Performance Exhaust System

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$2161.99
The MagnaFlow 2018-2023 Ford Mustang Street Series Cat-Back Performance Exhaust System brings out the personality of your 5.0L 2018-2023 Ford Mustang with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 3 Straight-Through mufflers ending in a Quad Split Rear exit with 4in. 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 19370 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. 19370 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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JBA Performance – 40-2653 2.5" Stainless Steel Exhaust System 65-66 2-1/2" Mustang GT (Part No.40-2653)

40-2653 2.5" Stainless Steel Exhaust System 65-66 2-1/2" Mustang GT

from

$802.99
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 40-2653 2.5″ Stainless Steel Exhaust System 65-66 2-1/2″ Mustang GT
  • Large diameter stainless steel mandrel-bent tube
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MagnaFlow – Street Series Axle-Back Performance Exhaust System (Part No.15595)

Street Series Axle-Back Performance Exhaust System

from

$901.99
The MagnaFlow 2011-2012 Ford Mustang Street Series Axle-Back Performance Exhaust System 15595 brings enhanced engine sound and dyno-proven performance to your 3.7L 2011-2012 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 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled 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. 15595 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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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 16 HP (Part No.49-33084-P)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 16 HP

from

$1553.99
aFe is proud to introduce our Mach Force-Xp cat-back exhaust systems. In recent testing, this system produced +16 horsepower and +17 lbs. x ft. of torque on our in house dyno. This cat-back exhaust system utilizes 3in into 2-1/2in tubing with a clamp-on reduction tube to fit the stock connections. Remove them and combine with the aFe Power Twisted Steel down-pipes (P/N: 48-33017-HC or 48-33017-HN) for added flow and performance. This system incorporates dual, high-flow mufflers to improve performance across the power band while maintaining an aggressive sound. To finish off the exhaust, dual 4 diameter polished 304 stainless steel tips are included. This system includes hardware for a hassle-free installation.

Product Features:
  • Produces An Astonishing 16 HP And 17 ft./lbs. Of Torque
  • 3 in. To 2.5 in. Mandrel Bent Tubing
  • Includes Dual; High-Flow Mufflers
  • 2-To-1 Mitered Split To Eliminate Dead Zone For Improved Flow
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Borla Performance Exhaust – T-304 Ss, 2.5"Pipe Dia, Dual Exhaust With Dual Exit, 4"Dia X 12" L Round (Part No.140458)

T-304 Ss, 2.5"Pipe Dia, Dual Exhaust With Dual Exit, 4"Dia X 12" L Round

from

$1199.99
With over 400 internal muffler designs based on the technologies shown here, BORLA(R) offers exhaust systems to suit every vehicle, driving style and sound preference. Muffler body shapes, internal core characteristics, flow dynamics and more are tuned and harmonized to maximize performance and pure driving excitement. BORLA(R) ATAK(R) (Acoustically-Tuned Applied Kinetics) 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. And unlike inferior brands that lose significant sound quality at higher volumes, 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:
  • ATAK(R) (Acoustically-Tuned Applied Kinetics) Technology Is Designed For High-Performance
  • ATAK(R) Equipped Exhaust Systems Deliver The Highest Available Decibel Levels
  • 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
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-33087-P)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$1713.99
aFe is proud to introduce an all new MACH Force-Xp cat-back exhaust system for the 2015-2017 Ford Mustang with the V6-3.7L or V8-5.0L engine. In testing, this system resulted in gains up to +12 horsepower and +10 lbs. x Ft. of torque verified by our in house dyno. This cat-back exhaust system utilizes full 3″ tubing with reduction tubes to fit the OE connections. Remove them and combine with the aFe power Twisted Steel Long tube headers and connect ion pipes (48-33012-YC) for added flow and performance. This system incorporates dual, high-flow mufflers to improve performance across the power band while maintaining an aggressive sound. aFe also added an X-pipe with resonators to balance and evenly distribute exhaust pulses traveling through the exhaust system, creating more efficient flow and better performance while minimizing exhaust drone resulting in an awesome sound. To finish off the exhaust, dual 4″ high-luster polished 304 stainless steel tips are included. This is a direct bolt-on system no modifications necessary and includes necessary hardware for a hassle-free installation. Aggressive Sound: Dual free-flowing mufflers are used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. X-Pipe with Resonators Balance Tube: The equalizer balance tube evenly distributes exhaust pulses traveling through the exhaust system. This creates a more efficient flow for better performance while minimizing exhaust drone. Simple Installation: This is a direct bolt-on system which retains your factory exhaust tips and includes necessary hardware for a hassle-free installation. No modifications necessary. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Dual 304 SS Tips: Finishing off this unique exhaust system are dual, aFe laser etched, 4″ polished 304 stainless steel tips for an aggressive style.

Product Features:
  • Mandrel Bent Stainless Steel Tubing
  • Dual High Flow Mufflers
  • Incorporates X-Pipe w/Resonators TO Balance Exhaust Pulses
  • Polished 304 Stainless Steel Tips
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JBA Performance – 40-2655 2.5" Stainless Steel Exhaust System 67-70 Mustang Stagger Shock (Part No.40-2655)

40-2655 2.5" Stainless Steel Exhaust System 67-70 Mustang Stagger Shock

from

$802.99
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 40-2655 2.5″ Stainless Steel Exhaust System 67-70 Mustang Stagger Shock
  • Large diameter stainless steel mandrel-bent tube
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aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP (Part No.49-43052-P)

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

from

$785.99
aFe introduces the MACH Force XP dual axle-back exhaust system for the 11-14 Mustang GT V8-5.0L. In recent testing this system produced 18 horsepower and 15 lbs. x ft. of torque. This exhaust is constructed from 3 in. mandrel-bent, stainless steel and is MIG-welded. The system uses high-flow, stainless steel mufflers which improves performance across the power band while maintaining a great tone. To finish off this exhaust are dual 4 in. double wall, 304 stainless steel aFe laser-etched tips. This exhaust uses all factory hanger locations for a hassle-free installation. No modifications necessary. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

Product Features:
  • 3 in. Dia. 304 Stainless Steel
  • 100% Hand TIG Welded
  • 4 in. Double Wall Polished 304 Stainless Steel Tip
  • AFE Laser Etched Tips
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MagnaFlow – Race Series Axle-Back Performance Exhaust System (Part No.19345)

Race Series Axle-Back Performance Exhaust System

from

$621.99
The MagnaFlow 2015-2023 Ford Mustang Race Series Axle-Back Performance Exhaust System 19345 doesn’t leave any performance on the table with a race-ready, light weight, dyno-proven design ready to help your 2.3L, 3.7L 2015-2023 Ford Mustang take on any pretenders, whether on the track or the street. Exhaust kit 19345 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 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 19345’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 19345 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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aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP (Part No.49-43105-P)

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

from

$712.99
aFe POWER MACH Force-Xp series exhaust system is designed to get you there with speed and style. Constructed from mandrel-bent, 304 stainless steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This system utilizes a less-restricting, high-flow muffler to improves performance while maintaining a deep, smooth tone. 100% hand MIG-welded by certified craftsmen for proven quality and durability.

Product Features:
  • Aggressive Sound, Incredible Value
  • Utilizes High-Flow Stainless Steel Muffler
  • Mandrel-Bent Tubing for Improved Flow
  • Stainless Steel Clamps for Improved Sealing Surface
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Flowmaster Inc. – Header-back System – Dual Rear Exit – American Thunder – Moderate Sound (Part No.17273)

Header-back System - Dual Rear Exit - American Thunder - Moderate Sound

from

$879.99
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are 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, these systems include all necessary parts and hardware for easy installation.
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MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.17118)

Competition Series Cat-Back Performance Exhaust System

from

$637.99
The MagnaFlow 1986-2004 Ford Mustang Competition Series Cat-Back Performance Exhaust System 17118 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, 5.0L, 5.8L 1986-2004 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 Turndown In Front Of Rear Tire exit with 2.75in. Polished Clamp-On Single Wall Turndown Cut 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 17118 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 17118’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 – Active Dual Mode Performance Exhaust Control Valve Kit (Part No.10805)

Active Dual Mode Performance Exhaust Control Valve Kit

from

$928.99
The MagnaFlow 2018-2022 Ford Mustang Active Dual Mode Performance Exhaust Control Valve Kit 10805 integrates seamlessly certain MagnaFlow performance exhaust systems available for your 2018-2022 Ford Mustang 5.0L. Corrosion resistant cast stainless steel construction and CNC precision robotic manufacturing techniques ensure a 360? airtight seal and reliable valve performance, all backed by MagnaFlow’s limited lifetime warranty. 10805 is secured in place with a racing-bred v-band clamp.

Product Features:
  • Reliable valve performance
  • Secured in place with a racing-bred v-band clamp
  • Leakless seal to ensure optimal exhaust flow
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2021 Ford Mustang Exhaust System Kits

Maybe you’re in the middle of a full rebuild of that 2021 Ford Mustang. Maybe you just need a couple of Exhaust System Kits. Either way, Advance Auto Parts has 13 different Exhaust System Kits in our inventory ranging from $621.99 to $3,222.99. That means you can find the exact parts or products you need to keep that 2021 Ford Mustang running smoothly.

Exhaust System Kits are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2021 Ford Mustang. aFe POWER, Magnaflow, and Corsa Performance 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 2021 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 2021 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 2021 Ford Mustang Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 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.

FAQs for 2021 Ford Mustang Exhaust System Kits

What are the most purchased Exhaust System Kits for the 2021 Ford Mustang?

Out of 13 Exhaust System Kits for the 2021 Ford Mustang, the most popular in our inventory are:
MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 16 HP
from $1713.99
This product is not rated
MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 16 HP
Exhaust System Kits
MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 16 HP
from $1553.99
This product is not rated
MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 16 HP
Exhaust System Kits
Sport, 3 In Cat Back System: Polished Tip, Stainless Steel, Designed for Power and Sound
from $3222.99
This product is not rated
Sport, 3 In Cat Back System: Polished Tip, Stainless Steel, Designed for Power and Sound
Exhaust System Kits