CTS Turbo is proud to offer their premier catch can solution for the MK6 GTI, MK6 Jetta, Audi A3, Audi TT with 2.0 TSI engines. The oil catch can is used prevent oil vapors entering the intake manifold and clogging up the intake valves on direct-injection motors. Oil deposits on intake manifold and valves cause reduced performance, bad fuel mileage, and could damage the fragile intake “flaps” and motor.