View Single Post
Old 10-13-2009, 04:44 AM   #60 (permalink)
Piwoslaw
aero guerrilla
 
Piwoslaw's Avatar
 
Join Date: Oct 2008
Location: Warsaw, Poland
Posts: 3,707

Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
Thanks: 1,280
Thanked 731 Times in 464 Posts
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.
__________________
e·co·mod·ding: the art of turning vehicles into what they should be

What matters is where you're going, not how fast.

"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell


[Old] Piwoslaw's Peugeot 307sw modding thread
  Reply With Quote