The weapon R oil catch can features a stunning full mirror polished finishand includes all the brackets, hoses, and hardware needed for an easyinstallation. The Weapon R oil Catch can catches the oil and moisture in theblow-by gas that causes carbon and sludge build-up in the SRT-4 intake systemand the engine. It keeps the engine clean even under hard driving conditions.It is also an excellent engine dress up item that gives a racecar look. With aturbo car, there is more blow by oil which over time will "gunk" yourintake with oil and residue.