The standard power of your Toyota Auris 1.4 D4-D 90hp vehicle is factory 90 hp / 205 nm. After Toyota Auris chip tuning custom vehicle software, your vehicle will gain +25 hp / +45 nm additional power and reach a total power of 115 hp / 250 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.