The Alfa Romeo Giulietta 1.4 Turbo Multiair 170hp (2016 ->) produces 170bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 290Nm, a gain of 15bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.