The Porsche Cayenne Coupe 4.0T GTS 460hp (2019 ->) produces 460bhp and 620Nm in standard form. Our Stage 1 ECU tuning file raises output to 620bhp and 870Nm, a gain of 160bhp and 250Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.