Use this exhaust kit when you want to enhance your driving experience, whether it's on a daily commute or a weekend track day. It's perfect for Mustang enthusiasts who want to add more power and a great sound to their vehicles. The kit is made of corrosion - resistant 304 stainless steel, including a mandrel - bent x - pipe, mid - pipes, and dual high - flow mufflers, along with ROUSH branded polished 304 stainless steel tips. It fits various 2015 - 2017 Ford Mustang models.