The new Cayenne Turbo Plenum delivers up to 30 horsepower and 32 foot pounds of torque giving your Cayenne an improved boost in engine power and driving performance. The superior design of the IPD Cayenne Turbo plenum not only increases power but also improves boost response creating a longer, stronger, more linear and of course more pleasurable power curve. The 957 Turbo utilizes the factory 76mm throttle body and hardware making installation quick and easy although IPD strongly recommends a qualified Porsche technician perform any Plenum installs.