The Cupra Leon 2.0 TFSI 310hp (2020 - 2024) produces 310bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 380bhp and 500Nm, a gain of 70bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.