The Alfa Romeo MiTo 1.4 Multiair 135hp (2008 - 2013) produces 135bhp and 205Nm in standard form. Our Stage 1 ECU tuning file raises output to 150bhp and 270Nm, a gain of 15bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.