i know the metric mechanic pulse tuned ones are out there, but is there any good performing non itb intake manifolds out there? im just looking for curiosity sake,
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I've only heard of a couple NA m20s running a homeade one, but with turbo builds I've seen a few with a design similar to 2jz manifolds. From what I've seen the best that can be done with the factory I one is nowhere near ITBs from RHD and I'm not even sure it's much better than the eta intake manifold- only about 2 cfm more and one 2.7i actually gained a lot from sticking with it. There may be something worth building but I don't think anybody's done it and shared a dyno yet.
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