It wont bolt up. THe ITR intake manifold won't bolt to the GSR head without modification either. The ITR supercharger won't outperform the GSR one...they boost the same amount with the stock pulley.
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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