Stainless Steel T-304 Exhaust Cat Back System is designed to fit Subaru Impreza 2001-2005 All Turbo Models Features: * Our products are 100 % Brand New * Mandrel Bent T-304 Stainless Steel * This Exhaust System is Mirror Polished and 3" (76mm) all the way through * 4.5" (114mm) Diameter, 5"(128mm) Long Tailpipe with Removable Silencer * Increases Horsepower by a Minimum of 35BHP * Off Road - Race use only * All Gaskets, Bolts and Hooks are included