The Alfa Romeo 159 2.0 JTDm 170hp (2005 ->) produces 170bhp and 360Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 425Nm, a gain of 30bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.