The Land Rover Range Rover / RR Sport 2.5 TD 136hp (1994 - 2002 (P38)) produces 136bhp and 270Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 360Nm, a gain of 29bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.