K&N Drop-In Filter Installation
Tools required:

        Large philips head screwdriver

        K&N Air Filter # 33-2121 or 33-2121-1

Steps:

    Remove the airbox cover and old paper air filter..
    Drop in the new K&N #33-2121.  
    Replace airbox cover and secure with screws.

33-2121 fits like a glove

No pre-oiling is required. Just check your filter at every oil change for bugs and stuff. According to K&N, the filter does not have to be cleaned/recharged for 100,000 miles.  We recommend cleaning about every 25,000 miles though.