Get one heat range colder NGK Copper plugs...BKR7E...gap them around .035".
Make sure your timing is at the stock mark of 16° for the 55 shot.
I mounted my box on the firewall, but you can mount it wherever you want, provided that the nitrous hose will reach the intake, and the vacuum hoses will reach the FPR and intake manifold.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget