If you used the p28, it would not control the secondaries, so you'd need the skunk2 manifold, or the JG manifold. But I'm with Inspyral, just wire the knock sensor.
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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
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