Flowmaster American Thunder Single Exhaust System - 1999-2006 Chevy/GMC 1500 4.8L/5.3L 4122RD 218 in Long

218 in Long

320 cc Intake

Zamp JA-2/JA-3

Brawler carburetors are precision machined and hand-assembled by craftsman right here in the USA

Flowmaster American Thunder Single Exhaust System - 1999-2006 Chevy/GMC 1500 4.8L/5.3L 4122RD 218 in LongFor the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat back exhaust system provides. D. O. R. D. O. S. systems are the perfect choice, and include exit pipes for both dual out rear and dual out side configurations so that you can choose the one that fits your style. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants