The standard power of your Audi A4 1.8T 20v 163hp vehicle is factory 163 hp / 225 nm. After Audi A4 chip tuning custom vehicle software, your vehicle will gain +37 hp / +95 nm additional power and reach a total power of 200 hp / 320 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.