Flowmaster American Thunder Cat-Back Exhaust System (86-91 V8 Firebird w/ 3-Inch Flanged Catalytic Converter)

Performance Exhaust System. The Flowmaster American Thunder Cat-Back Exhaust System provides a traditional dual exhaust appearance while enhancing performance with improved throttle response, increased power, and better fuel efficiency. It delivers a deep, powerful exterior sound that balances a moderate to aggressive tone with a mild interior noise level, making it ideal for enthusiasts seeking noticeable performance without excessive cabin noise.

Construction and Appearance. This exhaust system is constructed from mandrel-bent 16-gauge aluminized steel tubing, ensuring excellent durability and optimized exhaust flow. It features an 80 Series Crossflow chambered muffler designed to maximize performance and sound quality. Dual 3.00-inch tailpipes are finished with polished stainless steel tips, giving the vehicle a muscular and attractive look.

Installation. Engineered to use factory hanger locations, this cat-back exhaust system provides a straightforward installation process with no drilling required. It comes complete with all necessary hangers and hardware for a direct-fit installation.

Warranty. Backed by a 3-year limited warranty, this system offers peace of mind and protection against defects.

Application. Designed specifically to fit 1986-1991 Chevrolet Camaro and Pontiac Firebird models equipped with 5.0L or 5.7L engines and 3.00-inch flanged catalytic converters.

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