Turbo XS Subaru WRX/STI OEM Downpipe to 3in Cat-Back Adapter w/Standard Exhaust GasketThe TurboXS Stock Downpipe to 3 inch Catback Adapter is the perfect part to mate with your 3 inch Catback if you are using the stock downpipe. This part allows use of the OEM Donut Gasket with your 3 inch flat flange gasket found on the 3 inch Catback without having an exhaust leak. Made from 304 Stainless Steel this part will stand the test of time in rough weather conditions. This Part Fits: Year Make Model Submodel 2004 2005,2009 Subaru Forester XT