The Nissan Navara 2.3 DCi Bi-turbo (Euro 6) 163hp (2019 ->) produces 163bhp and 425Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 460Nm, a gain of 27bhp and 35Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.