Upgrade your truck with the Flowmaster 17392 American Thunder cat-back exhaust system, designed for 1999-2007 Chevrolet Silverado and GMC Sierra 1500 models equipped with a 4.8L or 5.3L engine. This system fits standard cab, short-bed configurations with a 119-inch wheelbase and is compatible with both two-wheel-drive and four-wheel-drive models. For 2007 applications, fitment is limited to Classic models. The D.O.S.S. (Dual Out Same Side) layout delivers the aggressive appearance of a NASCAR-inspired race truck while providing the performance and sound associated with Flowmaster exhaust systems.
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