Ok so help me get started. I got a hccad5000 and want to get as loud as possible with a single 15 fi btl not sure on what woofer to go with havent ordered it yet. and want to port through rear seat armrest with woofer facing trunk, what would be best? I'm also planning on doin the big 3 upgrade and extra battery all this goin in a 2000 clk. Can someone help me design a enclosure?