install info

[rooster_20]

anybody installed a k&n jet kit on their 400ex? My local shop is gonna charge me 40 bucks to put one in and I was thinkin bout doin it myself. Any info will help thanks

[RiderTRX400ex]

yea easy stuff and pretty decent gains

[DH400EX]

http://www.exriders.com/vbb/showthread.php?s=&threadid=19832&perpage=15&pagenumber=1
^tells u everything