To install, put the files in the correct folder and then put the following in the sound xml of the vehicle:

<motor template="engineLarge" file="sounds/n14_engine_loop.gls" volumeScale="3" linkNodeOffset="0 2 2.0"/>

<motor template="engineLarge" file="sounds/n14_exhaust_loop.gls" volumeScale="1" linkNodeOffset="0 5 0"/>

<motor template="indoorCabinRumble" />

<motor file="sounds/turbo_loop.gls" linkNodeOffset="0 1.3 1.7" volumeScale="1" innerRadius="0.5" outerRadius="50" fadeIn="0.6" fadeOut="1" pitchScale="1">

<lowpassGain indoor="0.45" outdoor="1.00" />

<lowpassCutoffFrequency indoor="100" outdoor="15000"/>

<lowpassResonance indoor="0" outdoor="0"/>

<volume indoor="0.70" outdoor="1.00">

<modifier type="MOTOR_LOAD" value="0.00" modifiedValue="1.00" />

<modifier type="MOTOR_LOAD" value="35.00" modifiedValue="1.00" />

<modifier type="MOTOR_LOAD" value="75.00" modifiedValue="1.30" />

<modifier type="MOTOR_LOAD" value="100.00" modifiedValue="1.50" />

</volume>

</motor>