IAM LOOKING AT BUYING SOME FI AUDIO SUBS 18'S I WILL BE GETTING BUT IAM HAVING A HARD TIME FIGURING OUT WHAT WOULD BE LOUDER 2 SSD 18 INCHFI SUBS OR 1 BTL FULLY LOADED ANY HELP ON THIS WOULD HELP ME THANKS!!! ill be using kintek batterys in a ported box in a crown victoria what iam looking for is for people to hear me far away as well as shakeing the hell out of my car lol which do u think would be best 2 18ssd or the blt loaded18