The Alfa Romeo 147 3.2 V6 GTA 250hp (2005 ->) produces 250bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 275bhp and 325Nm, a gain of 25bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.