The Honda Civic 1.7 CDTi 100hp (2002 - 2005) produces 100bhp and 220Nm in standard form. Our Stage 1 ECU tuning file raises output to 130bhp and 270Nm, a gain of 30bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.