The standard power of your Audi Q7 3.0 TDI 204hp vehicle is factory 204 hp / 450 nm. After Audi Q7 chip tuning custom vehicle software, your vehicle will gain +91 hp / +150 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.