I am going to buy one 12" kicker l7 and i was wondering if anyone knew box plans for this sub. i am going to build the box but i need some plans for a good box for good spl. i want some sq but mostly spl. i am putting this sub in the back of a jeep wrangler with a soft top and it will powered by a mtx 801d amplifier. so if anyone knows someone who makes box plans please give me their user name.