The Renault Megane RS 1.8 Turbo 280hp (2016 - 2020) produces 280bhp and 390Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 440Nm, a gain of 30bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.