Flowmaster American Thunder Cat-Back Exhaust System - 2-1/2 in Tailpipe - 3 in Tips - GM Fullsize Truck 1996-99 R010003S Spray Nine®

Spray Nine®

reduces friction and improves efficiency

Before becoming an MPI product

125 gph at 14 psi

Flowmaster American Thunder Cat-Back Exhaust System - 2-1/2 in Tailpipe - 3 in Tips - GM Fullsize Truck 1996-99 R010003S Spray Nine®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 deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants