The Peugeot 308 1.6 Puretech 225hp (2017 - 2020) produces 225bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 350Nm, a gain of 25bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.