Flowmaster American Thunder Single Exhaust System - 1999-2006 Chevy/GMC 1500 4.8L/5.3L 13025 100% Bolt-On System Includes All

100% Bolt-On System Includes All Required Mounting Hardware and Split Lock Collars for Positive Bar Positioning

50 Inverted Flare Male

Excellent Energy Delivery

Features single color shift light with adjustable brightness settings for daytime and nighttime driving or changes in visibility conditions

Flowmaster American Thunder Single Exhaust System - 1999-2006 Chevy/GMC 1500 4.8L/5.3L 13025 100% Bolt-On System Includes AllFor 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