The standard power of your Renault Trafic 2.0 DCi 90hp vehicle is factory 90 hp / 240 nm. After Renault Trafic chip tuning custom vehicle software, your vehicle will gain +55 hp / +110 nm additional power and reach a total power of 145 hp / 350 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.