Fabspeed Porsche 958 Cayenne V6 XperTune Performance Software (2011-2014) McLaren 14 years of refinement to

14 years of refinement to offer this masterpiece

Tuned = 506 HP / 521 ft-lbs of torque

Saves 20lbs from the rear of the vehicle

it seems that about half of all 997

Fabspeed Porsche 958 Cayenne V6 XperTune Performance Software (2011-2014) McLaren 14 years of refinement toHP: +20 TQ: +18 Achieve maximum power from the Porsche 958 Cayenne 3. 6L V6 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