The Ford F-150 4.6 V8 248hp (2008 - 2014) produces 248bhp and 399Nm in standard form. Our Stage 1 ECU tuning file raises output to 267bhp and 418Nm, a gain of 19bhp and 19Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.