The Buick Lacrosse 2.0 Turbo 262hp (2017 ->) produces 262bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 480Nm, a gain of 28bhp and 130Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.