This exhaust system is great for Subaru Outback XT and Wilderness 2.4L Turbo owners who love to push their vehicles to the limit. Whether you're driving on rough terrains or just want to enhance your daily commute, this exhaust will do the job. It's made of T304 stainless steel and has 2.5 - inch dual axle - back tubing. It's perfect for those who want more power and better performance from their cars.