If you're looking to get a performance boost and better sound of your Mustang without spending a lot of money, Stainless Power Headers from Stainless Works will be a great find for you! They are available for the Ford Mustang 2011-2016.
These headers are CNC Mandrel Bent, and made with 304 stainless steel, and the primary tube size is 1 7/8". Stainless Power Headers can be adapt to your factory or aftermarket exhaust system without any modifications. They are built to unleash torque, horsepower, and provide an awesome tone for your vehicle!