The Seat Leon 2.0 TFSI 185hp (1P - 2005 - 2012) produces 185bhp and 270Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 360Nm, a gain of 65bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.