American Thunder Crossmember-Back Exhaust System Fits 1964-1967 GM A-Body 3.00-Inch Stainless Steel System With V8 Engine Aggressive Sound Flowmaster

The American Thunder® Crossmember-Back exhaust system is a true dual 3.00-inch muscle car system for deep aggressive sound on high horsepower vehicles. It features mandrel-bent stainless steel, an H-pipe crossover for balanced exhaust pressure, increased hp/torque, and reduced back-rap. Super 40® Series mufflers provide a deep, muscular tone. This system delivers an aggressive interior and exterior tone, with sound level varying by engine and modifications. Benefits include improved throttle response, power, and mileage. It's designed for easy installation with all necessary parts and hardware. Covered by a Lifetime Limited Warranty.