Flowmaster Exhaust System Kit

2013 to 2014 Ford Mustang GT, coupe and convertible with a 5.0L V8 engine. Does not fit GT500.
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American Thunder Kit
Cat-back 2013 Mustang 409S
Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound - 2013 to 2014 Ford Mustang GT
Exhaust System Kit
Fits 2013 to 2014 Ford Mustang GT, coupe and convertible with a 5.0L V8 engine. Does not fit GT500
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. Note: does not fit GT500.