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Old 10-13-2009, 05:44 AM   #60 (permalink)
Piwoslaw
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Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
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Quote:
Originally Posted by Frank Lee View Post
I read the K&N "flows better" because the holes in it are bigger? Then I especially wouldn't want to use it there.

And if that's not the case, why does it "flow better"?
If the holes are the same size, but there are more of them, then the flow will improve (larger area, less resistance) while keeping the same amount of dirt out. On the other hand, larger holes may increase flow, but also let more dirt in.
Quote:
Originally Posted by tasdrouille View Post
It all comes down to filtration and flow. This study proved that K&N flows better. Yes, by a huge 2 inches of water at 350 CFM. That sure is good enough for a 10% in fuel economy. It also does not filter very well.
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