The Land Rover Range Rover / RR Sport 4.4i V8 299hp (2002 - 2012 (L320/L322)) produces 299bhp and 425Nm in standard form. Our Stage 1 ECU tuning file raises output to 318bhp and 448Nm, a gain of 19bhp and 23Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.