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Ok I know the 1.6 SOHC engine from 92-93 mx-3's run a header type exhaust manifold. I have a B5-ZE, it run's a cast exhaust manifold, like the one you would find on a 1.8 SOHC/1.6 DOHC/1.8 DOHC engine. But B6 manifolds bolt to the B5 head.

Would I see any benefit from running one of those tubular manifolds, or is it useless? I'm planning on forced induction later down the road, but for now I'm looking at easy and cheap HP, so a real header is out of the question. Thx for help.

If your going to do forced induction down the road I would not bother with it. You will not get eye popping results so I would just set the money aside you saved from this to get a turbo/SC setup faster.

I can get the manifold for free. And I have most of my turbo setup already, just waiting for winter to plant it. I just wanted to know if I could get any benefit from running one of these. I really have to make my n/a setup the fastest possible, I want to do some drag runs and be able to get decent time out of my small displacement mill...

the 4-1 header from the B6-ME will not bolt up to ur B5-ZE. reason why different bolt patterns. unlike honda, mazda didn't make them pretty much all the same exhaust bolt patterns. suks but oh well. i know i tried that 4-5 years ago and it didn't work out. what ur tring to do. i was trying to put a cast manifold on teh B6-ME.