The Ford Focus 2.3 EcoBoost RS 350hp (2014 - 2017) produces 350bhp and 440Nm in standard form. Our Stage 1 ECU tuning file raises output to 370bhp and 530Nm, a gain of 20bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.