The standard power of your Audi A3 2.0 TDI DPF 170hp vehicle is factory 170 hp / 350 nm. After Audi A3 chip tuning custom vehicle software, your vehicle will gain +30 hp / +70 nm additional power and reach a total power of 200 hp / 420 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.