The Mazda 3 1.5 Skyactiv-G 100hp (2016 - 2018) produces 100bhp and 150Nm in standard form. Our Stage 1 ECU tuning file raises output to 113bhp and 160Nm, a gain of 13bhp and 10Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.