The standard power of your Hyundai i40 1.7 CRDi 116hp vehicle is factory 116 hp / 260 nm. After Hyundai i40 chip tuning custom vehicle software, your vehicle will gain +34 hp / +60 nm additional power and reach a total power of 150 hp / 320 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.