The standard power of your Opel Astra 1.7 CDTi 130hp vehicle is factory 130 hp / 300 nm. After Opel Astra chip tuning custom vehicle software, your vehicle will gain +35 hp / +50 nm additional power and reach a total power of 165 hp / 350 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.