The Mazda MX-5 2.0 SkyActiv-G 184hp (2015 ->) produces 184bhp and 205Nm in standard form. Our Stage 1 ECU tuning file raises output to 202bhp and 217Nm, a gain of 18bhp and 12Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.