The Renault Megane RS 2.0T 250hp (2008 - 2012) produces 250bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 300bhp and 440Nm, a gain of 50bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.