The standard power of your Audi A4 2.0 TDI CR 143hp vehicle is factory 143 hp / 320 nm. After Audi A4 chip tuning custom vehicle software, your vehicle will gain +42 hp / +90 nm additional power and reach a total power of 185 hp / 410 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.