The Land Rover Range Rover / RR Sport 4.4 TDV8 313hp (2002 - 2012 (L320/L322)) produces 313bhp and 700Nm in standard form. Our Stage 1 ECU tuning file raises output to 380bhp and 800Nm, a gain of 67bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.