Complements Your Exhaust System. Adding these XForce Twin 4-Inch Quad Exhaust Tips will complete the look of your Mustang's exhaust system. Featuring a 4-inch outlet size and a black finish, these exhaust tips lend a more powerful personality to your Mustang. Furthermore, the tips feature a round, angle-cut, and double-wall build for a more impressive style and durability.Stainless Steel Construction. For superior longevity and durability, these XForce Twin 4-Inch Quad Exhaust Tips are manufactured using stainless steel. With this material, the exhaust tips are able to maintain their pristine condition even when exposed to various corrosive elements. Furthermore, their construction is completed with a black coating for added protection against rust and corrosion.Clamp-On Installation. Setting up these exhaust tips offers an easy installation. They are built with a clamp-on design so that you can quickly mount them to your car’s existing exhaust system.Application. These XForce Twin 4-Inch Quad Exhaust Tips in black are tailored to fit all 2018-2023 Ford Mustang GT models that is equipped with a XForce Exhaust System. The Tips are not compatible with an OEM Exhaust System.