Flowmaster Exhaust System Kit

American Thunder Kit
Convertible models require an aftermarket X-brace or 3/8 shims for clearance.
Exhaust System Kit
Fits 1969 Chevrolet Camaro and Pontiac Firebird with V8 engine, does not fit convertibles without an X-brace modification, call Tech Support for more info.
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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 easy installation.
Header Back, Exhaust, Kit, Camaro, Firebird, Performance
Header-back 69 Cam/Fbird
Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive