The standard power of your Peugeot 407 2.0 HDiF 136hp vehicle is factory 136 hp / 320 nm. After Peugeot 407 chip tuning custom vehicle software, your vehicle will gain +39 hp / +60 nm additional power and reach a total power of 175 hp / 380 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.