Use this exhaust system when you want to enhance your Ford Mustang's style and performance, whether you're on a daily commute or at a car show. It's perfect for Mustang owners who love a unique look and improved power. The system features 2.5 - inch tubing and 4 - inch dual - wall tips. It's made of heavy - gauge aluminized steel, with a black powder - coated finish on the tailpipes and tips. This is a great choice for those in dry climates.