The Lincoln Navigator 3.5 Ecoboost 370hp (2007 - 2017) produces 370bhp and 583Nm in standard form. Our Stage 1 ECU tuning file raises output to 420bhp and 630Nm, a gain of 50bhp and 47Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.