What would be better??

i've had the FIPK and loved what it did for my previous mustang. i also had a cai and didn't notice anything. since this is a combination and cheaper than the FIPK, do you think it'll be the same or will it be like a regular crappy cai.

DENSECHARGER

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=310&item=3671709610&tc=photo

K&N FIPK

http://www.mustang-50.racenet.net/induction.php