need help to design a enclosure 4 2 12"p3 RF
 

hey everyone im lookin to build a new box 4 ma system ( 2 12" dual 2ohm P3 RF powered by a RF power bd1000.1) the car is a 02 grand am se

now right now i have them in this box
Attachment 25187
with this box i hit 138dB(2 12" prefect infinitys with a RF 500a2 amp)

now for the new sub box i want to have 2 aeroports firing thru my 6x9 speaker holes like this box
http://i143.photobucket.com/albums/r...wsubdesign.jpg

i want this to be a loud box but i want it to still sound good 4 music
i listen to rap,reggae,euro

thxs in advance