The Land Rover Range Rover / RR Sport 2.0 Si4 300hp (2018 - 2021 (L460/L461)) produces 300bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 320bhp and 450Nm, a gain of 20bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.