icon
logo Savings. Shopping.
Get Checkmate
Aggressive Muscle Car Sound. Let your engine howl with a Roush Extreme Performance Cat-Back System. This innovative Roush exhaust system features a muffler-delete design with resonators mounted directly after the Mid Pipe, that results in increased air flow, and a unique sound, with no in-cabin exhaust drone. Quality Roush Construction. Constructed from CNC mandrel bent 2.50-inch diameter stainless steel tubing for a durable long life, the Extreme Performance Cat-Back System features two 304 polished stainless steel 4-inch tips with embossed "ROUSH" logo. Application. This Roush Extreme Performance Cat-Back System will fit the 2005 to 2009 GT and 2007 to 2009 Shelby GT500 Mustangs with the factory rear valance.

Save on Roush Extreme Performance Cat-Back Exhaust (05-09 Mustang GT, GT500) with a American Muscle promo code

Checkmate is a savings app with over one million users that have saved $$$ on brands like American Muscle.

The Checkmate extension automatically applies American Muscle discount codes, American Muscle coupons and more to give you discounts on products like Roush Extreme Performance Cat-Back Exhaust (05-09 Mustang GT, GT500).