Flowmaster Exhaust System Kit

1987 to 1993 Ford Mustang GT with a 5.0L engine.
American Thunder Kit
Cat back, Exhaust, Kit, Ford, Mustang, Stainless, Performance
Cat-back 409S 87-93 Mustang
Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound - 1987 to 1993 Ford Mustang GT
Exhaust System Kit
Fits 1987 to 1993 Ford Mustang GT with a 5.0L 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.