The Kia Optima 2.4 GDI 194hp (2012 - 2015) produces 194bhp and 245Nm in standard form. Our Stage 1 ECU tuning file raises output to 208bhp and 262Nm, a gain of 14bhp and 17Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.