The standard power of your Citroen C1 1.0i 68hp vehicle is factory 68 hp / 93 nm. After Citroen C1 chip tuning custom vehicle software, your vehicle will gain +11 hp / +29 nm additional power and reach a total power of 79 hp / 122 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.