I have an LS motor just like you, all I had was intake and exhaust when I got my clutch and flywheel combo, and the others had the same but also a header. We all noticed a big acceleration difference. :dunno:
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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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