Porsche E3 Cayenne 4.0L V8 GTS/Turbo XperTune Performance Software G8X Promo We use premium Helical Valves

We use premium Helical Valves for their unprecedented quality

4 KGs compared to the factory catalytic converter

the 600LT came with two catalytic converters per exhaust bank (4 total)

The XperTune Performance Software is Not a physical/shipped product

Porsche E3 Cayenne 4.0L V8 GTS/Turbo XperTune Performance Software G8X Promo We use premium Helical ValvesHP (WHP): 180 TQ (ft lbs): 160 Achieve maximum power from the 2019+ Porsche Cayenne GTS Turbo 4. 0L Twin Turbo V8 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). Not applicable on hybrid models. COMPATIBILITY: Fits Porsche E3