go seach on velocity stack. I can't really explain this, but at the filter, it creates a air buble and with a velocity stack the air will enter the intake smoother. I'll try to find a link to my old honda forums.
---------- Post added at 03:05 PM ---------- Previous post was at 02:59 PM ----------
here:
http://www.team-integra.net/forum/15...ease-flow.html
---------- Post added at 03:09 PM ---------- Previous post was at 03:05 PM ----------
and here:
http://www.team-integra.net/forum/11...take-duct.html