Flowmaster 817395 Cat-back System 409S- Dual Same Side Exit - American Thunder - Aggressive Sound
Fits 1999 to 2006 Chevrolet and GMC truck on a 1/2 Ton chassis with a 4.8L or 5.3L engine, fits 2 and 4 wheel drive models with and Extended Cab and short bed configuration on a 143.5 inch wheelbase.
For the person who wants the aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. 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.
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