The standard power of your Audi A7 3.0 TDI 245hp vehicle is factory 245 hp / 580 nm. After Audi A7 chip tuning custom vehicle software, your vehicle will gain +45 hp / +20 nm additional power and reach a total power of 290 hp / 600 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.