This MBRP exhaust system is designed for Subaru enthusiasts who want to enhance their vehicle's performance. Whether you're driving on the daily commute or hitting the track on weekends, this exhaust is up for the challenge. It's suitable for owners of 2011 - 2021 Subaru Impreza WRX and WRX STI models. The exhaust features a 3 - inch dual split rear exit with 3.5 - inch tips, made from T304 stainless steel, which is both durable and easy to maintain.