Flowmaster Header-Back Exhaust System 409S - Dual Rear Exit-AmeriCan Thunder - Aggressive Sound - 3" Tailpipe H88601CM3S except as noted

except as noted

625 in Holes

Not only does Injector Defender restore performance and protect fuel injection systems from performance-robbing deposits

There is NO LIMIT on the number of vehicles using the system and it is all controlled with a touch of a button

Flowmaster Header-Back Exhaust System 409S - Dual Rear Exit-AmeriCan Thunder - Aggressive Sound - 3" Tailpipe H88601CM3S except as notedHeader back System 409S Dual Rear Exit American Thunder(R) Aggressive Sound Fits 1968 to 1972 GM A Body with a V8 engine. For the person who is looking for a complete Header back dual exhaust system with an aggressive tone. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their