The Buick Excelle GT 1.6 Turbo 181hp (All) produces 181bhp and 235Nm in standard form. Our Stage 1 ECU tuning file raises output to 210bhp and 300Nm, a gain of 29bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.