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  1. 1996 - 2004 Mustang GT
    working on a navi swap and i have already ordered a MMR sheetmetal upper intake manifold and im using the stock lower. my thing is, since the setup i will be running, i believe i will only have somewhere around 6" or so intake runners. does anyone make 5.4 dohc intake manifold spacers?? if not...
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