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$135.99

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

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$188.99

The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

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$274.99

DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone.

Product Features:

Stainless steel construction for lifelong protection
100% welded design for maximum durability
Straight through design ensures unrestricted exhaust flow and reduces back pressure
CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.

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$139.99

Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we’ve ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

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$152.99

This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$245.99

dBX series mufflers – this Laminar Flow internal configuration muffler features the revolutionary HP core design delivering excellent sound control for a wide variety of engine types where vehicle under-chassis space is limited. Utilizing cool shell technology to minimize radiant heat from the muffler body, they are perfect for sport compact imports as well as muscle cars and other performance applications. Constructed with 409S stainless steel internal components and wrapped with a proprietary insulation material and finally a polishable 304 stainless steel casing, these mufflers are as attractive as they are functional delivering a moderate to aggressive tone.

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$159.99

This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$152.99

The Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$137.99

Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$152.99

The polished stainless steel Aero Chamber is designed to do much more than simply muffle exhaust noise. The Aero Chamber Muffler produces a deep throaty powerful sound that will not change with time. The Hooker Aero Chamber uses a unique step principal, similar to that which is currently popular in racing header design. The aerodynamically designed chambers flow 23 percent better and produce more horsepower and torque than the most popular high performance brand. The stainless steel construction assures good looks, corrosion protection ang long life.

Product Features:

All Aluminized/Stainless Steel
Deep Throaty Powerful Sound
23 percent More Flow Than Others
More Horsepower And Torque
Sound Absorption Chamber
Stepped Acceleration Chamber

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$332.99

DynoMax Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone. All Dynomax Performance Exhaust Systems bolt on for easy installation. Your vehicle’s complete exhaust can be quickly and easily customized with an emissions-legal premium performance system from Dynomax.

Product Features:

Large internal flow tubes improve exhaust flow and reduce backpressure
Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
Dyno proven to flow up to 700 SCFM
Hardware and accessories are manufactured to work seamlessly with all Dynomax performance parts, making installation quick and easy

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$459.99

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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$699.99

This moderate 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 a Force II system, it delivers a moderate 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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$562.99

Flowmaster’s race-oriented American Thunder Cat-back system is designed to mount behind the factory catalytic converters, or most OEM style aftermarket H-pipes. These systems are mandrel bent for maximum performance and include Super 44 series mufflers. This American Thunder system delivers a super aggressive interior and exterior tone and is suited to the enthusiast who wants the most aggressive components they can purchase. Like all Flowmaster systems, the benefits include improved throttle response and power. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Product Features:

Fits with most modified suspensions
Stainless steel construction
Patented Delta Flow technology
Lifetime limited warranty
Made in the USA

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$819.99

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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$972.99

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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$869.99

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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$982.99

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 construction warranty.

Product Features:

Durable corrosion-resistant stainless steel construction
CNC precision robotic manufacturing techniques
Dyno-proven performance

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$919.99

The MagnaFlow 1994-1998 Ford Mustang Competition Series Cat-Back Performance Exhaust System 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 1994-1998 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 Clamp-On Single Wall Angle 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 15677 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 15677’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 warranty. Please check to ensure compliance with local noise regulations.

Product Features:

Increased horsepower and torque
Aggressive exterior sound
Crafted from 409 stainless steel with all mandrel-bent tubing

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$919.99

The MagnaFlow 1994-1998 Ford Mustang Street Series Cat-Back Performance Exhaust System brings out the personality of your 4.6L, 5.0L 1994-1998 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 3.5in. Polished Clamp-On Single Wall Angle Cut 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 15638 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. 15638 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:

Durable corrosion-resistant stainless steel construction
Dyno-proven performance
CNC precision robotic manufacturing techniques

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$917.99

The MagnaFlow 1999-2004 Ford Mustang Street Series Cat-Back Performance Exhaust System brings out the personality of your 4.6L 1999-2004 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 3.5in. Polished Clamp-On Single Wall Angle Cut 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 15644 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. 15644 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:

Dyno-proven performance
CNC precision robotic manufacturing techniques
Durable corrosion-resistant stainless steel construction

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$819.99

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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$994.99

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 limited finish warranty and limited construction warranty.

Product Features:

Durable corrosion-resistant stainless steel construction
CNC precision robotic manufacturing techniques
Dyno-proven performance

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$1086.99

The MagnaFlow 1987-1993 Ford Mustang Street Series Cat-Back Performance Exhaust System brings out the personality of your 5.0L 1987-1993 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 3in. Polished Clamp-On Single Wall Turndown Cut 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 15632 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. 15632 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:

Durable corrosion-resistant stainless steel construction
CNC precision robotic manufacturing techniques
Dyno-proven performance

1998 Ford Mustang Performance Exhaust Products

Flowmaster Inc. – 40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8042543)

Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound (Part No.842453)

Dynomax – Ultra Flo Exhaust Muffler: Direct Fit, Stainless Steel, 14" L, 2.5" In, 3.5" Out, Oval (Part No.17572)

Flowmaster Inc. – Super 44 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842548)

Flowmaster Inc. – 40 Series Muffler, 2in Offset Inlet 2in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942043)

Flowmaster Inc. – DBX Muffler, 2.25in Center Inlet 2.25in Center Outlet, 14in long, Non-Reversible, Moderate Sound (Part No.12414310)

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942443)

Flowmaster Inc. – Super 40 Series Muffler, 2.5in Center Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.952547)

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942448)

Hooker Headers – Aero Chamber Muffler (Part No.21504HKR)

Dynomax – Super Turbo Dual Exhaust System (Part No.17455)

Flowmaster Inc. – Axle-back System – Single Rear Exit – American Thunder – Moderate Sound (Part No.17421)

Flowmaster Inc. – Axle-back System – Dual Rear Exit – American Thunder – Moderate Sound (Part No.17410)

Flowmaster Inc. – Cat-back System 409S – Dual Dump Exit – American Thunder – Aggressive Sound (Part No.817574)

Flowmaster Inc. – Header-back System – Dual Rear Exit – American Thunder – Aggressive Sound (Part No.17282)

Flowmaster Inc. – Header-back System – Dual Rear Exit – American Thunder – Moderate Sound (Part No.17273)

Flowmaster Inc. – Header-back System – Dual Rear Exit – American Thunder – Aggressive Sound (Part No.17281)

MagnaFlow – Street Series Crossmember-Back Performance Exhaust System (Part No.15815)

MagnaFlow – Competition Series Exhaust System Kit (Part No.15677)

MagnaFlow – Street Series Exhaust System Kit (Part No.15638)

MagnaFlow – Street Series Exhaust System Kit (Part No.15644)

Flowmaster Inc. – Axle-back System 409S – Dual Rear Exit – Force II – Moderate Sound (Part No.817497)

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

MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15632)

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942448)

Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound (Part No.842453)

Hooker Headers – Aero Chamber Muffler (Part No.21504HKR)

Flowmaster Inc. – 40 Series Muffler, 2in Offset Inlet 2in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942043)

MagnaFlow – Competition Series Exhaust System Kit (Part No.15677)

MagnaFlow – Street Series Exhaust System Kit (Part No.15638)

Flowmaster Inc. – Cat-back System 409S – Dual Dump Exit – American Thunder – Aggressive Sound (Part No.817574)