The standard power of your Volkswagen Jetta 1.4 TSI 150hp vehicle is factory 150 hp / 250 nm. After Volkswagen Jetta chip tuning custom vehicle software, your vehicle will gain +50 hp / +50 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.