The Porsche Boxster S 2.5T 350hp (2016 -> (718)) produces 350bhp and 420Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 520Nm, a gain of 50bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.