Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014) - FS.POR.958T.ET rims Peak power was up 5

Peak power was up 5 whp and 9 ft/lbs of tq

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Secondary catbypass pipes eliminate unnecessary set of catalytic converters for more power and sportscar sound

lowering overall decibel levels

This is a Genuine GM Stage 2 Wickerbill Rear Spoiler winglet upgrade in Carbon Flash for the C7 Chevrolet Corvette Z06 or Grand Sport Other Colors can be selected from the Drop Down Menu - All C7 Body Colors or Carbon Fiber HydroGraphics

Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014) - FS.POR.958T.ET rims Peak power was up 5Achieve maximum power gains (over 99 whp & 140 ft lbs) and driveability without sacrificing reliability. Easily flash your Cayenne with a Fabspeed ECU Tune utilizing the included handheld device. 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