The Subaru Forester 2.5 Turbo 230hp (upto 2008) produces 230bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 380Nm, a gain of 40bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.