Seller notes

Compatible with 1999-2006 Chevrolet Silverado, GMC Sierra 1500 with 4.8L or 5.3L engine. (See applications below); 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. The 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. The exhaust ...

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