the alpine type -r's come in both dual 2 and 4 depending on which model you get.

by the summer though i'll be able to spend roughly 500-600 on the parts and install though i doubt the price would be that high. looking to spend about 250 or so on the amp and the sub i can get for like 120 hopefully the sale dont end soon ....

:edit: this is the place im getting the sub and possibly the amp as well.

http://www.etronics.com/product.asp?...ore=&catid=369

whats god about this place is that i can actually pick up the subs instead of actually having them shipped save myself sum bucks.