The standard power of your Alfa Romeo 147 1.9 JTD 150hp vehicle is factory 150 hp / 305 nm. After Alfa Romeo 147 chip tuning custom vehicle software, your vehicle will gain +35 hp / +75 nm additional power and reach a total power of 185 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.