The Ford Excursion 6.0 V8 325hp (1999 - 2005) produces 325bhp and 759Nm in standard form. Our Stage 1 ECU tuning file raises output to 375bhp and 820Nm, a gain of 50bhp and 61Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.