The GMC Acadia 3.6 V6 288hp (2007 - 2013) produces 288bhp and 366Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 395Nm, a gain of 22bhp and 29Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.