Fabspeed Porsche 958.2 Cayenne V6 XperTune Performance Software (2015-2018) Style:Default These catalytic converters flow up

These catalytic converters flow up to 93-95% of a straight pipe in most applications

HJS catalytic converters are not CARB Certified for use in California

They are machined out of aircraft grade aluminum

057 US Pints) size

Rear - BMW-6 Series-F12/13 M6 (2012+)

Fabspeed Porsche 958.2 Cayenne V6 XperTune Performance Software (2015-2018) Style:Default These catalytic converters flow upAchieve maximum power from the Porsche 958. 2 Cayenne 3. 6L V6 engine without sacrificing driveability or reliability by optimizing the engine's performance. Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air fuel ratios, and boost pressure (if applicable). COMPATIBILITY Fits all Porsche 958. 2 Cayenne 3. 6L V6 Vehicles (2015 2018) POWER GAINS 958. 2 Cayenne V6 Stock =