The standard power of your Audi A4 2.0 TDI CR 177hp vehicle is factory 177 hp / 380 nm. After Audi A4 chip tuning custom vehicle software, your vehicle will gain +48 hp / +80 nm additional power and reach a total power of 225 hp / 460 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.