Flowmaster’s “Active” American Thunder Exhaust Brings S550s to Life

Flowmaster’s "Active" American Thunder Exhaust Brings S550s to Life

Flowmaster’s "Active" American Thunder Exhaust Brings S550s to Life

Your 2018-2020 Mustang GT can now roar to life with Flowmaster’s American Thunder Axle-Back Exhaust System with Active Valves.

The exhaust changes tones via a wireless remote controller.

Posted by Stephanie Davies-Bardekoff

CategoriesExhaust Tech Videos

TagsAmerican Thunder Exhaust Flowmaster Mustang S550

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