(19-07-15, 05:53 PM)darrsi link Wrote: What exactly are the issues with the K&N filter then?
Long time ago I've read an article about the fact that K&N filtters do more air flow means it does more dirt in your engine too:
http://forums.nicoclub.com/debunking-the...80100.html
I always has the feeling its marketing scam as proven by the ISO 5011 tests above.
![[Image: kn-v-oem-1.jpg]](http://www.nicoclub.com/articles/images/kn-v-oem-1.jpg)