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2.75

  1. Performance Discussion/Modifications
    I have a set of 392 exhaust manifolds and mids to put on my 5.7 and I’m just wondering if I should neck down to 2.5 inches after the mids or stay at 2.75 all the way back. I only have minor mods including a 392 intake manifold with wired runners, Hellcat upper and lower air box with K&N filter...
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