Fabspeed Porsche 955 Cayenne Turbo / Turbo S ExperTune Performance Software (2002-2007)

Achieve maximum power from the Porsche Cayenne Twin Turbo 4.5L V8 engine without sacrificing driveability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD-II port on your vehicle and your computer to complete the tuning process. Simply flash your Cayenne Turbo with a Fabspeed ECU Tune utilizing the included handheld tuner. Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable). COMPATIBILITY Fits all Porsche 955 Cayenne Twin Turbo 4.5L V8 Vehicles (2002-2007) POWER GAINS Porsche 955 Cayenne Turbo 4.5L Stock = 450 HP / 460 TQ Tuned = 506 HP / 521 TQ Porsche 955 Cayenne Turbo S 4.5L Stock = 520 HP