Porsche 991 GT3 / GT3 RS XperTune Performance Software Stelvio Makes for a throaty symphony

Makes for a throaty symphony of sound in the cabin

Constructed from 3/16" High Strength ASTM A36 Domex Structural Steel

Tuned = 420 whp (wheel horsepower) / 384 ft-lbs of torque

Fits all Audi R8 (2009-2015)

Hook is black anodized and rod is polished stainless steel

Porsche 991 GT3 / GT3 RS XperTune Performance Software Stelvio Makes for a throaty symphonyHP: +15 TQ: +10 Achieve maximum power from the Porsche 991 GT3 3. 8L 4. 0L 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