you can spray over the reverse if you want to. spray it on, but please take them off and do it. dont spray the crap out of your tail lights either. do light coats at a time. make sure they are the same darkness. wet sand them and buffing them or clearcoating them make them shiny!!!!
BAM BABY!!
http://s6.photobucket.com/albums/y224/GuinRocks/My%20Mx6/?action=view¤t=ppppp.jpg