Use this exhaust system when you're looking to upgrade your Ford Mustang's performance or just want a great - sounding ride. It's perfect for Mustang enthusiasts who love to push their cars to the limit. The exhaust has a 3 - inch diameter tubing and comes with quad carbon fiber stainless steel tips. It's made of T304 stainless steel, which is durable and easy to maintain, ensuring it lasts for a long time in various driving conditions.