Let your car growl with an upgraded Mustang exhaust. A Mustang exhaust system will be better than listening to music. Your big American muscle will drown out all other noises with Mustang exhausts. A Mustang cat back exhaust system will make more power and sound much better. The stock exhaust is restrictive and will not allow your engine to really sound or feel like it is supposed to. By upgrading to new Mustang exhaust parts, you can really turn up the heat with your car. A new custom Mustang full exhaust system will be one of the best power upgrades you make to your car.