Plastic OEM blow-off valves like those on the RS have a track record of failures - they leak

Full Electronic Actuation (Dual H-Bridge Input)

\nFPR6 Fuel Pressure Regulator Suit -6AN (Purple) TS-0404-1023

Direct fit upgrade for the factory BOV on Honda Civic Type R

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic Incl Flywheel & CSC 1323Nm KGM29692-1B CVR8 Plastic OEM blow-off valves likeXtreme Performance sprung ceramic kit 1B Recommended for: Motorsport ApplicationsThese kits are available with sprung ceramic friction discs and are designed for motorsport applications where higher heat and torque capacity is required. These can also be used in some road applications. Specifications: Torque capacity 1323Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need for a