I finally found a rear air deflector that was a decent price so I jumped on it. Ive read the forums on here about installing it but I can't seem to figure out what people are doing with the headliner. Does anything need to be done to the headliner to install the thing because the installation guide I found says nothing about headliner? I cant figure out how to put up a picture so here a link to the image:
http://www.ifsja.org/forums/vb/showthread.php?t=153845