The PCV-Kill Kit for all 2.5L TFSI engines as built in the Audi TTRS & RS3. With the PCV-Kill Kit the crankcase oil fumes will be lead into atmosphere and not back into the turbo inlet. This prevents carbon deposite at intake valves and intake ports. If carbon deposite is too heavy the engine looses power and can be damaged. For this reason we recommend our PCV-Kill Kit. Features: crankcase oil fumes will be lead into atmosphere less carbon depostite in intake ports & valves safety for your engine no power loss In the Kit included: CNC Blockoff Plate for Turbo Oil resitant hose Heat Sleeves Aluminium plug bolts clamp Fits 2.5L TFSI engines as built in the: Audi TTRS 8J Audi RS3 8P Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com