The Mazda 6 2.0i 16v 155hp (2008 - 2012) produces 155bhp and 193Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 208Nm, a gain of 10bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.