The Subaru Legacy 2.0i 150hp (2008 - 2014) produces 150bhp and 196Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 218Nm, a gain of 15bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.