The Dacia Duster 1.5 dCi 115hp (2018 - 2020) produces 115bhp and 260Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 300Nm, a gain of 25bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.