I may be posting a redundant issue but I didn't have a lot of time to research our site but I came across this article while looking info up on my wifes car...very interesting and eye opening.  I've been running K&N on my GN's forever, now I think to 2nd guess myself, as I'm only a nice day driver.  Any thoughts?
Here is link with nice articles and comparison charts.
http://www.nicoclub.com/archives/kn-vs-oem-filter.html
	
		
			
		
		
	
				
			Here is link with nice articles and comparison charts.
http://www.nicoclub.com/archives/kn-vs-oem-filter.html