The Holden Commodore 6.0 V8 350hp (2013 ->) produces 350bhp and 517Nm in standard form. Our Stage 1 ECU tuning file raises output to 370bhp and 535Nm, a gain of 20bhp and 18Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.