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RB20DET tube header?

StraightSix

By StraightSix,
in Engines & Forced Induction

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StraightSix Community Regular

StraightSix

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Posted

Just wondering if there is a tube header available for the RB20DET with single turbo. Reason I ask is that I was just re-reading A. Graham Bell's "Forced Induction Performance Tuning" (great book btw) and in the practical examples chapter there is an RB20 powered S13 mentioned, and he says the stock turbo would be able to do better than it does now if it had a proper tube header - he seems to think the stock manifold is very restrictive.

J

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https://www.sau.com.au/forums/topic/22176-rb20det-tube-header/
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red17 Experienced

red17

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Posted

It is particularly bad. Worse than the RB25DET. Theres good gains to be had in this area on RB20's, alot of people dont seem to think about it.

Theres plenty of exhaust headers (or "bag of snakes" as some of us refer to them) available for the RB20, depends on what you want to pay. Its worth going with a decent brand name simply so you can be sure of a good fit.

I just looked through Option magazine and converting the yen price alone, most brands seem to be around the 1000-1500 mark. You could no doubt get one made locally a bit cheaper, but the jap stuff does fit well.

Red17

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