The Seat Leon 1.5 TGI 130hp (5F MK2 - 2017 - 2019) produces 130bhp and 200Nm in standard form. Our Stage 1 ECU tuning file raises output to 155bhp and 250Nm, 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.