The Isuzu I-Seriess I-290 2.9 185hp (All) produces 185bhp and 258Nm in standard form. Our Stage 1 ECU tuning file raises output to 205bhp and 275Nm, a gain of 20bhp and 17Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.