Our Subaru Sports Cat Downpipe replaces the standard restrictive downpipe and catalytic converter with a stainless steel, 3" one-piece item with a built-in sports cat. Increasing the bore of the downpipe and replacing the restrictive catalytic converter allows the exhaust gasses to flow much more freely, increasing the power output of the engine. Features: Manufactured from T304 stainless steel 3" bore Non type approved sports cat TIG welded, CNC machined flanges Fitment: Subaru Impreza Classic GC8 all turbo models (1993-2001) Please note: ---This item will not fit estate (wagon) models --- This is a non type approved CAT and as such will not pass an MOT so is sold for off road use only.