The standard power of your Renault Trafic 2.0 DCi 120hp vehicle is factory 120 hp / 320 nm. After Renault Trafic chip tuning custom vehicle software, your vehicle will gain +70 hp / +80 nm additional power and reach a total power of 190 hp / 400 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.