American Thunder Kit Cat back, Exhaust, Kit, Chevrolet, GMC, Truck, Performance Cat-back 99-06 GM Truck 119 Cat-back System - Dual Rear/Side Exit - American Thunder - Moderate/Aggressive Cat-back System - Dual Rear/Side Exit - American Thunder - Moderate/Aggressive - Chevrolet/GMC 1500 Exhaust System Kit Fits 1999 to 2006 Chevrolet and GMC C/K 1500 1/2 Ton trucks with a 4.8L or 5.3L engine using a single flanged catalytic converter, fits 2 and 4 wheel drive models with a Standard Cab and short bed configuration on a 119 inch wheelbase. For 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 delivers 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. With Flanged Catalytic Converter. Standard cab/Short bed only.
