The standard power of your Hyundai i20 1.0 T-GDi 100hp vehicle is factory 100 hp / 172 nm. After Hyundai i20 chip tuning custom vehicle software, your vehicle will gain +40 hp / +58 nm additional power and reach a total power of 140 hp / 230 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.