Our mazda rx-8 sports cat downpipe replaces the standard restrictive downpipe and catalytic converter with a stainless steel, 2.75 One-piece item. Increasing the bore of the downpipe and replacing the restrictive catalytic converter with a sports catalytic converter allows the exhaust gasses to flow much more freely, increasing the power output of the engine and improving throttle response.Features: manufactured from t304 stainless steel 2.75 Bore tig welded, cnc machined flanges gaskets included
Brand: Japspeed