The Cayenne Performance Tuning Software from Softronic works on the 2008-2014 957 and 958 Cayenne GTS DFI:
| Model | Base BHP | Base Torque | Tuned BHP | Tuned Torque |
| 957 Cayenne GTS | 405 | 369 | 435 | 402 |
| 958 Cayenne GTS | 420 | 380 | 455 | 415 |
*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 for stock vehicles,all files are tested with 93oct .
