The standard power of your Mazda 3 1.6 CiTD 109hp vehicle is factory 109 hp / 240 nm. After Mazda 3 chip tuning custom vehicle software, your vehicle will gain +31 hp / +70 nm additional power and reach a total power of 140 hp / 310 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.