The increased flow is achieved through the efficiency of a straight through valve versus a traditional poppet style valve where the exhaust gas must be turned 90 degrees by the valve

The Plumb Back is a fully recirculating valve

Use this pipe kit for either TS-0203-1250 or TS-0203-1050 to adapt to suit the BMW Z4

This center cap originally fits: JR10 (15")

Vacuum High -20 inHG

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic 540Nm 820kg KHN22024-1B JR44 The increased flow is achievedXtreme 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 540Nm Clamp load 820kg Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need