The Ford Fiesta 1.6i 16v 100hp (Mk5 - 2001 - 2008) produces 100bhp and 146Nm in standard form. Our Stage 1 ECU tuning file raises output to 110bhp and 160Nm, a gain of 10bhp and 14Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.