The Mazda 3 1.6 CiTD 115hp (2009 - 2013) produces 115bhp and 270Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 330Nm, a gain of 25bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.