The GMC Canyon 2.8 Duramax 181hp (2016 ->) produces 181bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 210bhp and 540Nm, a gain of 29bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.