The Mazda CX-3 2.0 Skyactiv-G 150hp (2015 - 2018) produces 150bhp and 204Nm in standard form. Our Stage 1 ECU tuning file raises output to 175bhp and 220Nm, a gain of 25bhp and 16Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.