The Renault Master 2.3 DCI 100hp (2010 - 2014) produces 100bhp and 285Nm in standard form. Our Stage 1 ECU tuning file raises output to 155bhp and 430Nm, a gain of 55bhp and 145Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.