The Porsche Boxster 2.7i 265hp (2011 - 2016 ( 981 )) produces 265bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 300Nm, a gain of 25bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.