Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014) Sport Catalytic Converters 39 whp (wheel horsepower) and

39 whp (wheel horsepower) and 57

fits OEM 996 Carrera airbox for improved airflow and performance

With free flowing cats and an investment cast X-Pipe this system will give a nice increase in volume while also smoothing out the exhaust note of your flat 6

watch our video about HJS German catalytic converters

3300 RPM = +19whp / +31ft/lbs

Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014) Sport Catalytic Converters 39 whp (wheel horsepower) andHP: +99 WT: +140 Achieve maximum power gains (over 99 whp (wheel horsepower) & 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