The Mazda CX-9 2.5 SkyActiv-G 230hp (2016 ->) produces 230bhp and 420Nm in standard form. Our Stage 1 ECU tuning file raises output to 260bhp and 492Nm, a gain of 30bhp and 72Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.