American Thunder Kit Cat back, Exhaust, Kit, Toyota, Tacoma, Performance Cat-back 409S 05-12 Tacoma Cat-back System 409S - Dual Side Exit - American Thunder - Moderate/Aggressive Sound Cat-back System- Dual Side Exit - American Thunder - Mod/Agg Sound Does not fit standard cab or X-Runner models. Exhaust System Kit Fits 2005 to 2012 Toyota Tacoma, except Standard Cab or X-Runner, with 4.0L V6 engine, fits 2 and 4 wheel drive models. For the person who is looking for a complete Cat-back dual exhaust system with a moderate to aggressive sound level. With easy fit in mind, the system is mandrel bent for maximum performance and includes a specially selected Super 50 series muffler. American Thunder systems 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. The system includes all necessary parts and hardware for easy installation.
