The Renault Master 2.3 DCI 125hp (2014 - 2016) produces 125bhp and 310Nm in standard form. Our Stage 1 ECU tuning file raises output to 155bhp and 370Nm, a gain of 30bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.