hey, do you build box's? i want a box build for SPL not SQ, i mean i dont want it sounding like **** but i want a deep *** box ... lmk what you think is best for my 15 l7.. i had moe lester build me one years ago and i actually broke my back window in my f350 with one DD 15".. lmk what you think.. also if you can fiber glass that would be awesome!