SPECIAL ORDER ONLY Fits 2018 Mustang GT 5.0L Coupe and Convertible New for 2018 - our most aggressive exhaust sound yet! Uniquely designed and tuned to provide optimum performance, aggressive sound, durability, and pure driving excitement Manufactured in the USA from high quality 304 stainless steel Features ultra-smooth mandrel bends, warp-free flanges and superior craftsmanship Includes X-pipe, 2.5" stainless steel mandrel bent cat-back tubing and clamps for installation Bolts to stock catalytic converters Approximately 30 lbs. lighter than the factory cat-back system Uses stock hangers and mounts