The Alfa Romeo Giulia 2.9 V6 Quadrifoglio 510hp (2016 ->) produces 510bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 580bhp and 700Nm, a gain of 70bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.