The Buick Regal 2.0 Turbo 220hp (2010 ->) produces 220bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 255bhp and 410Nm, a gain of 35bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.