The standard power of your Saab 9-3 1.8 Turbo 150hp vehicle is factory 150 hp / 240 nm. After Saab 9-3 chip tuning custom vehicle software, your vehicle will gain +50 hp / +60 nm additional power and reach a total power of 200 hp / 300 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.