The Ford Expedition 3.5T V6 Ecoboost 375hp (2017 - 2021) produces 375bhp and 637Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 670Nm, a gain of 25bhp and 33Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.