The Alfa Romeo 166 2.4 JTD 150hp (2003 - 2010) produces 150bhp and 305Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 385Nm, a gain of 35bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.