Your whole S550 Exhaust starts at the headers and works its way to the back of the car. Aftermarket 2015 Mustang Headers are a great way to really change your exhaust profile as well as boost your performance. Do not settle for the inefficient factory exhaust, instead upgrade it with one of the many options from AmericanMuscle. Whether it is shorty headers or long tube headers, we have you covered with everything from different sizes, finishes, and fits to give your Mustang the perfect sound. Grab a Mustang Axleback Exhaust or a Mustang Catback Exhaust to really change things up.