Honestly since I have owned it I have never had it in one of my vehicles but people say they are great daily subs I had read all about them on Termpro.
I suppose Shocker bought some dust caps from RF and printed on the other side. Good way to save some money since it works just as good //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif