The Jeep Cherokee 2.8 CRD 158hp (2005 - 2008) produces 158bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 195bhp and 465Nm, a gain of 37bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.