hey i got box with two 10 audiobahn alum10q i want to get the seat delete,and i found one that i can stick the speakers in and lose the heavy box that i have in the trunk and it looks cool ,the only think is what speakers should i use with this set up would the speakers that i have now work, here is the picture of the rear seat delete that i want to get,please help me out , i will like to upgrade to 12 subs any ideas please help me or i should stay with those