The standard power of your Opel Astra 2.0 Turbo OPC 240hp vehicle is factory 240 hp / 320 nm. After Opel Astra chip tuning custom vehicle software, your vehicle will gain +35 hp / +80 nm additional power and reach a total power of 275 hp / 400 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.