Flowmaster Exhaust System Kit
1999 to 2004 Ford Mustang GT, MACH1 and Bullitt(not Cobra), with a 4.6L SOHC engine.
American Thunder Kit
Cat back, Exhaust, Kit, Mustang, GT, MACH1, Performance
Cat-back 409S 99-04 Mustang GT
Cat-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound
Cat-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound - 1999 to 2004 Ford Mustang GT, MACH1 and Bullitt(not Cobra)
Exhaust System Kit
Fits 1999 to 2004 Ford Mustang GT, MACH1 and Bullitt(not Cobra), with a 4.6L SOHC engine.
For the person who is looking for a complete Cat-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.
American Thunder Kit
Cat back, Exhaust, Kit, Mustang, GT, MACH1, Performance
Cat-back 409S 99-04 Mustang GT
Cat-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound
Cat-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound - 1999 to 2004 Ford Mustang GT, MACH1 and Bullitt(not Cobra)
Exhaust System Kit
Fits 1999 to 2004 Ford Mustang GT, MACH1 and Bullitt(not Cobra), with a 4.6L SOHC engine.
For the person who is looking for a complete Cat-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.
Flowmaster Exhaust System Kit
Sale price$1,141.19 USD