Win This Supercharged 2015 Mustang Enter Here
1-888-332-7930 M-F 9-9,Sat 9-5:30,Sun 12-4 ET

Free Shipping on Everything. Seriously. Details

A catback exhaust will turn a stock GT into a formidable muscle car that announces its presence well before arrival. It's no secret the new edge GT Mustangs sound truly amazing with an aftermarket catback, however, it used to be a challenge differentiating between different exhaust systems. Those days are gone as AmericanMuscle now provides exhaust sound clips for your GT, Mach 1 and Bullitt 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.

Video Recommended Products (1)

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.

Video Recommended Products (1)

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.

Video Recommended Products (1)

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.

Video Recommended Products (1)

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.

Video Recommended Products (1)

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.

Video Recommended Products (1)