The standard power of your Renault Trafic 2.0 DCi 145hp vehicle is factory 145 hp / 350 nm. After Renault Trafic chip tuning custom vehicle software, your vehicle will gain +55 hp / +70 nm additional power and reach a total power of 200 hp / 420 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.