The standard power of your Citroen C3 1.4 HDI 68hp vehicle is factory 68 hp / 160 nm. After Citroen C3 chip tuning custom vehicle software, your vehicle will gain +22 hp / +50 nm additional power and reach a total power of 90 hp / 210 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.