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Originally Posted by ecoli
If they make power on an NA application, shouldn't they make power on a boosted application? Do they add power on an NA application?
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I am thinking they are acting as a restriction on the turbo applications.
All I know, is all the digging I've done, I have yet to find concrete proof as far as a turbo'd application is concerned. Alot of the intake manifold design has been taken from N/A applications. In N/A applications, they have been proven to open up the rpm range and add power in some instances. I haven't seen anyone do back to back research on a FI setup.
To me, someone saying that you MUST have velocity stacks on a intake manifold (on a turbo car) just annoys the piss out of me.