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Cayenne Turbo DFI Performance Software (07-14) Forced Induction This is a great solutionThe Cayenne Turbo Performance Tuning Software from Softronic works on the 2007 2014 957 and 958 Cayenne Turbo DFI: Model Base BHP Base Torque Tuned BHP Tuned Torque Cayenne Turbo DFI 957 958 500 516 600 635 Cayenne TurboS DFI 957 958 550 553 615 646 *This product comes with a OBD2 cable, and software that allows flashing for only 1 vehicle as it is tied to that vehicle's VIN. The performance software tuning results in these typical performance gains