Quote:
Originally Posted by 95KA-Turbo
Most of the benefit of ITBs are lost once you put a plenum around it.
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Well, not exactly.
The benefit of ITB's is that you can tune the airflow to each cylinder - therefore making each cylinder run at peak efficiency. The fact that you have much more throttle body area, and are never hampered by a TB that's too small, is a minor improvement.
There's
definitely a reason why the GTI-R and RB26 have ITBs standard.
I would say that there's
more of a benefit in an N/A car, and I do agree that the money would be better spent elsewhere unless fabricating everything yourself.