A high-class air filter. Usually the best you can get.
"What do you have in that?"
"Its a K&N short ram cold air intake."
by Olson January 30, 2008

5 Words Related to K&N

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.