I am not sure what u will need contact nx cuz it usually comes n kit maybe someone on here knows! But if I were u I would try 2 stay away 4rm the wide open kit cuz u could slam the gas 2 the floor say n first gear and if ur rpms are not high enough boom there goes ur motor
... then use something to turn the system on, another button for when you actually want to spray, and a WOT switch. If you really want to be safe get a window switch in the mix.
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