Im going to upgrade my amps with a Soundstream Reference 500sx for the sub and a Zapco Ag 360 for the components. Considering to upgrade to a single 10 or 12 for now in a sealed enclosure(i can make myself), looking for sound quality, something that makes your chest rumble at the same time. $300 shipped is my budget Rli-10, Rlp-12, 10w3v3, 12w3v3, IDQ 10 & 12, Re sex 10 &12, Fiq 10 & 12, Icon 10 & 12 these some subs had in mind. And do you think a sealed enclosure would match the type of car i have, any suggestions and opinions will help very much. Thanks alot!!!!

Not sure what type of car you have. As for driver, I have my favorite from that list, but there are a number of good choices. I feel the Q / Icon / RL-p all in 12" form would be the best direction to go from your list.