The Porsche Cayenne S 4.8 Turbo 570hp (958 - 2014 - 2017) produces 570bhp and 800Nm in standard form. Our Stage 1 ECU tuning file raises output to 640bhp and 950Nm, a gain of 70bhp and 150Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.