The abs i bought in amazon, the metal one i still have in my drawer in the garage the abs one is more sleek i havent had any issues of water or heat damaging it , i lived in alaska and moved to texas and i have no isues with it , the metal one of course is alot better but my truck has never slept out side i only started to have issues in the garage when i lifted the truck , but after deleting the antena or better saying relocating it, i have not had any issues parking in the garage, also the antena is for the gps and your regular antena they are both working fine still