The standard power of your Citroen Jumper 2.8 HDi 128hp vehicle is factory 128 hp / 300 nm. After Citroen Jumper chip tuning custom vehicle software, your vehicle will gain +32 hp / +80 nm additional power and reach a total power of 160 hp / 380 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.