P2M all aluminum large oil catch tank (480cc) was designed to catch engine blow for high horse power high boosted engines. The oil catch tank can be configured non re-circulated back into the engine bay by installing the breather filter on top of the tank (supplied with the kit). Catching engine blow by is essential to keep your engine clean and along the paths intercooler pipings and throttle body butterfly sticking. Comes with 9 & 15mm hose outlet for installing on all Japanese Sports Compact cars.