The standard power of your Opel Astra 1.9 CDTi 100hp vehicle is factory 100 hp / 260 nm. After Opel Astra chip tuning custom vehicle software, your vehicle will gain +50 hp / +100 nm additional power and reach a total power of 150 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.