The Buick Regal 2.0 Turbo 270hp (2010 ->) produces 270bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 450Nm, a gain of 40bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.