The Subaru Legacy 2.5T GT 265hp (2008 - 2014) produces 265bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 275bhp and 370Nm, a gain of 10bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.