Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014) Tunes & Software Designed with high flowing German

Designed with high flowing German imported 200-cell HJS HD catalyst for the ideal blend of performance and efficiency

fits OEM 944 Turbo airbox for improved airflow and performance

the factory left me plenty of room to extract more power

Direct replacement for factory heavy and restrictive muffler system

Daily-driveable sound and power from Fabspeed's Supercup Exhaust System

Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014) Tunes & Software Designed with high flowing GermanAchieve 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