CLA45 and GLA45 AMG includes a Boost Reference Adapter that allows the blow-off valve to respond to engine vacuum instantly

Standard plastic bypass valves like those fitted to the Cooper S from the factory struggle to withstand increased boost pressures

97in) butterfly valve style external wastegate for turbocharged engines

These valves are a high performance replacement for the Golf's standard diverter valve

Driveshaft has to be from BMW E90 or E90 M3 or an aftermarket one that fits E90

Clutch Kit - Xtreme Performance Heavy Duty Organic 270Nm KHN21006-1A TPMS CLA45 and GLA45 AMG includesXtreme Performance sprung organic kit 1A Recommended for: Street use in vehicles with minor engine modifications. Sprung organic clutch kits offer exceptional driveability for vehicles used daily but also have performance modifications. The sprung organic disc offers improved dampening which reduces the shock loading on the transmission. Specifications: Torque capacity 270Nm Clamp load Increased over standard Organic Friction Discs Heavy Duty Pressure