The Alfa Romeo Giulietta 2.0 JTDm 170hp (2010 - 2014) produces 170bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 425Nm, a gain of 30bhp and 75Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.