2012 Ford Mustang Boss 302 with a V8 5.0L engine.American Thunder KitCat back, exhaust, performance exhaust, exhaust kitCat-back 409S 12 MustangCat-back System 409S - Dual Rear Exit - American Thunder...
2012 Ford Mustang Boss 302 with a V8 5.0L engine. American Thunder Kit Cat back, exhaust, performance exhaust, exhaust kit Cat-back 409S 12 Mustang Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound - 2012 Ford Mustang Boss 302 Exhaust System Kit Fits 2012 Ford Mustang Boss 302 with a V8 5.0L engine. For the serious enthusiast who is looking for all the performance benefits of a complete Cat-back dual exhaust system, this is it. As an American Thunder system, it delivers an aggressive exterior sound level and a moderate interior tone that is suited to the enthusiast who wants to be heard. With maximum performance and easy fit in mind, the system is mandrel bent and includes specially engineered mufflers featuring Delta Flow technology. 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 a simple installation.