Flowmaster#389-817273American Thunder Header-Back Exhaust System
Flowmaster 817273 - Flowmaster American Thunder Exhaust Systems - Cars Details
Flowmaster's American Thunder system for 1964-1966 Ford Mustangs delivers increased horsepower, torque and throttle response. Featuring dual exhaust tips, this 2.50-inch mandrel bent system consists of a header adapter pipes, a welded H-pipe assembly and Super 44 Series mufflers. The system includes dual 2.50-inch tailpipes with full-length polished 304 stainless tips that exit straight out the back under the rear valence. All the necessary parts and hardware are included to provide a great fitting installation. This American Thunder system will typically produce an aggressive interior and exterior sound level, however it will vary depending on the level of engine modification. Constructed in durable 409s stainless steel, the system is covered by Flowmaster's limited lifetime warranty.
Best suited to enthusiasts who want their cars to be heard while improving throttle response, power, and mileage. American Thunder Exhaust Systems are mandrel bent for optimum performance with specially selected mufflers.
Made in USA.
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