The Plumb Back is a fully recirculating blow-off valve that offers a similar sound volume to the standard valve

A quiet alternative to the atmospheric BOV

but a serious boost in the 'seat-of-the-pants' feeling that makes the car feel faster in everyday driving

A direct fit high performance replacement for the factory all plastic unit

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic 564Nm 830kg KSU23012-1B JR11 The Plumb Back is aXtreme 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 564Nm Clamp load 830kg Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need