Single 12' Alpine Type R 1242D. AND you will be more then happy.
SUB
http://www.ikesound.com/product-product_id/3352
&
AMP
http://www.ikesound.com/product-product_id/4390
or a little cheaper and
http://www.ikesound.com/product-product_id/4389
Voila your good. Tis will pound and sound fantastic.