If you're an Audi S3 owner who loves driving in all sorts of conditions, this exhaust is for you. Whether you're on a daily commute or hitting the track on weekends, it'll work great. It's made of T304 stainless steel, which is really tough and easy to keep clean. The mandrel - bent tubing helps the exhaust flow smoothly, making your engine more powerful. This exhaust fits 2015 - 2020 Audi S3 cars, including different sub - models like Premium, Premium Plus, and Prestige.