The standard power of your Audi Q7 3.0 TDI 240hp vehicle is factory 240 hp / 550 nm. After Audi Q7 chip tuning custom vehicle software, your vehicle will gain +55 hp / +50 nm additional power and reach a total power of 295 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.