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RBC vs RSP(euro type R) intake manifold

394435 Views 837 Replies 123 Participants Last post by  LotusElise
I would like to know if anybody got their hands on a RSP intake manifold? Did you test it against a RBC intake manifold?

The RSP intake manifold is a three piece design that has much longer runners (about 2.5" longer) and a slightly bigger plenum than the RBC intake manifold. It is basically an improved design of the RBB (TSX) manifold, since it produces great top end power as well.
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Why? It looks closer to a K20A2 manifold than an RBC. It goes into the same pattern that the JDM CTR gets the newer-RBC styled manifold since the Euro CTR has not gotten the same goodies. Of course I'm speaking of the JDM CTR K20A versus the EDM CTR K20A2 in the EP3R. I just see this as an extension of that - give them an "R" . . . but only in name.
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