Looking for a box builder to design a box for me. i have 43wide 24deep and 20tall to work with in a 96 Jeep Grand Cherokee, the box needs to be 6-8cuft @ 28hz. the dimension i gave are max dimensions but would like to be close to 20tall so the sub is near the top of my seats. the sub is up firing with a kerf port to the trunk double baffle. if anyone can make this please pm or leave a reply