i have a 96 chevy 1500 extended cab. i took out my backseat and am going to replace it with a 4 cube ported box for my 15" awt15x ( soon to be replaced by a 15 " XXX !!!!...)....anyways, i am building my box now but i am wondering what direction should i face the sub and port to? should i face them up to the roof? down to the ground? to the side? i am a daily driver and i want to get the deepest, lowest, richest bass i can. not just concerned with spl. any help at all would be great.