The Mazda CX-5 2.5 SkyActiv-G 250hp (2017 ->) produces 250bhp and 420Nm in standard form. Our Stage 1 ECU tuning file raises output to 279bhp and 468Nm, a gain of 29bhp and 48Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.