From a raspy race car sound to an aggressive muscle car growl, our axle-back and cat-back exhaust kits come from the best in the business like MBRP, Borla, Corsa, Stainless Works, Flowmaster, and more. In addition to the improved sound, your Shelby GT500 will gain improved horsepower and torque. After browsing our exhaust systems, check out our Shelby performance brake parts.