The Ford Fiesta 1.0T Ecoboost 140hp (MK8 - 2017 ->) produces 140bhp and 180Nm in standard form. Our Stage 1 ECU tuning file raises output to 145bhp and 240Nm, a gain of 5bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.