Had my plastic dip for 4 months now. still hold up. Even when sprayed with pressure washer, it still looks good.
First pic of the original gray left, plasti dip on right with stock grille
Second pic of the plasti dip with black grille.
I sprayed about 6 coats of plasti dip, highly recommend getting a "can gun"
Something like this will help.
http://www.amazon.com/Can-Gun1-2012-..._sim_sbs_hg_11