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Your Mach 1 is a beautiful machine from the factory, but the exhaust sound leaves more to be desired. Everyone already sees you coming and with an aftermarket exhaust they'll hear you, too. Listen through our collection of exhaust sound clips and find the perfect tone for you Mach 1. With the power increase and muscular sound, a catback is one of the best mods for your Mustang.

Pypes Violator Catback Exhaust (98-04 GT, Mach 1)

Increase In Performance. Bolting on a Pypes Violator Catback system to a stock 1998 to 2004 GT will yield an instant 8 to 13 horsepower gain. It features two of Pypes Violator mufflers for the ultimate in flow and power gains with an aggressive rude sound.

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Magnaflow MagnaPack Catback Exhaust (99-04 GT, Mach 1; 01 Bullitt)

Free Flowing Exhaust. Magnaflow delivers the ultimate free flowing exhaust for the 99-04 GT, Bullitt, and Mach 1 Mustangs by elminating power robbing restrictions to put more horsepower and torque where it belongs - at the rear wheels.

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Magnaflow Catback Exhaust (99-04 GT, Mach 1)

Free Flowing Exhaust. Magnaflow delivers the ultimate exhaust for the 99-04 GT, Bullitt, and Mach 1 Mustangs by reducing back pressure for a free flowing exhaust that produces more power and torque where it belongs - at the rear wheels.

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Flowmaster American Thunder Catback Exhaust (99-04 GT, Mach 1)

Flowmaster Sound. The Flowmaster American Thunder Catback exhaust system with its mandrel bent tubing will greatly improve your 1999 to 2004 Mustangs exhaust flow for an increase in power, and their included Super 40 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.

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Flowmaster American Thunder Catback Exhaust - Stainless Steel (99-04 GT, Mach 1)

Flowmaster Sound. The Flowmaster American Thunder Catback exhaust system with its mandrel bent tubing will greatly improve your 1999 to 2004 Mustangs exhaust flow for an increase in power, and their included Super 40 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.

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Flowmaster Force II Catback Exhaust (99-04 GT, Mach 1)

Signature Flowmaster Sound. Give your Mustang that unmistakeable Flowmaster sound with the Force II Catback Exhaust system from AmericanMuscle. The Flowmaster Force II Catback Exhaust with its mandrel bent tubing will greatly improve your Mustangs exhaust flow for an increase in power, and the included 50 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.

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