The Nissan Navara 2.5 Di 133hp (D40 - 2005 - 2015) produces 133bhp and 304Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 365Nm, a gain of 32bhp and 61Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.