someone help me out with this box build. kinda want to go sealed but idk which should i do. i traded these 2 10's for a 12 l7 so im going to have to make two new boxes one for the new l7 and one for these 10's for my friend. its going in a blazer so i have plenty of room to work with, how big should i make it and whats you guys opinions on sealed vrs. ported with these subs?