This MBRP exhaust system is perfect for Audi S3 and RS3 owners who want to enhance their vehicle's performance and sound. Whether you're driving on city streets or taking your car to the track, this exhaust will deliver. It's made of T304 stainless steel which is highly durable and easy to maintain. The mandrel - bent tubing ensures smooth exhaust flow. It fits various sub - models of Audi S3 and RS3 from 2015 to 2020.