The GMC Canyon 3.7 V6 242hp (2003 - 2012) produces 242bhp and 328Nm in standard form. Our Stage 1 ECU tuning file raises output to 265bhp and 350Nm, a gain of 23bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.