Porsche 981 Cayman GT4 XperTune Performance Software

Achieve maximum power gains and driveability without sacrificing reliability. 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 981 GT4 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 981 Cayman GT4 3.8L vehicles from 2015-2016                                                       POWER: Porsche 981 GT4 Stock = 385 HP / 310 TQ Tuned = 415 HP / 332 TQ TUNING PROCESS: Read stock data on vehicle via OBD-II port with Handheld Interface Handheld with software on your com