The Porsche Cayenne 3.0 TDI 245hp (958 - 2010 - 2014) produces 245bhp and 550Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 620Nm, a gain of 45bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.