The standard power of your Vauxhall Astra 1.6 CDTi 110hp vehicle is factory 110 hp / 300 nm. After Vauxhall Astra chip tuning custom vehicle software, your vehicle will gain +30 hp / +60 nm additional power and reach a total power of 140 hp / 360 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.