            <exhaustEffect node="Original" filename="$data/effects/exhaust/exhaust.i3d" minRpmColor="0 0 0 0.45" maxRpmColor="0.01 0.01 0.01 2" minRpmScale="0.1" maxRpmScale="0.55" />

            <exhaustEffect node="Direto" filename="$data/effects/exhaust/exhaust.i3d" minRpmColor="0 0 0 0.75" maxRpmColor="0.01 0.01 0.01 4" minRpmScale="0.1" maxRpmScale="0.55" />



"para cada 0.10 na lenta, aumenta 0.75 no máximo"