Fabspeed Porsche 958.2 Cayenne Turbo / Turbo S ExperTune Performance Software (2015-2018)

Achieve maximum power from the Porsche 958.2 Cayenne 4.8L Twin Turbo V8 engine without sacrificing driveability or reliability by optimizing the engine's performance. 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 958.2 Cayenne 4.8L Twin Turbo V8 Vehicles (2002-2007) POWER GAINS Cayenne 958.2 Turbo Stock = 520 HP / 553 TQ Tuned = 640 HP / 701 TQ Cayenne 958.2 Turbo S Stock = 570 HP / 590 TQ Tuned = 640 HP / 701 TQ NOTES This is not a physical/shipped product.  This upgrade requires you to send us your ECU for re-programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. While a vehicle equipped with bolt-on upgrades will experience maximum gains as a result of the increased efficiency of the engine, great power gains can be made