The Citroen C3 Aircross 1.2 Puretech 110hp (2017 - 2020) produces 110bhp and 205Nm in standard form. Our Stage 1 ECU tuning file raises output to 130bhp and 245Nm, a gain of 20bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.