When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The K&N will flow more air. I don't know if it will make a noticeable difference by itself though. Coupled with a free'r flowing exhaust it probably will. If you drive in alot of dust, I advise not to use the K&N though. They do flow more air, but they also let in more dirt too.