The Jeep Commander 3.7 V8 210hp (2006 - 2010) produces 210bhp and 319Nm in standard form. Our Stage 1 ECU tuning file raises output to 230bhp and 340Nm, a gain of 20bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.