any suggestions on a new box?

im new to this forum and competing, i freind of mine is getting me into it, ive never done it before, and im pretty well stupid about this stuff, but i try, anyway, i just put my new box in my car, 10 cubes, 34hz with a slot port, might go aeros later but slot for now, with (2) 15" kicker L7s 2006 i was just wondering what are some of the things to do to get louder, or make my stereo better, boxwise, beciase its so big that its hard to fasten together, so i fiberglassed the inside seams of the box, but ive seen some guys fiberglass the whole entire inside? and i might fill the outside of the box in my trunk with foam to keep the box together somehat? or too keep it from flexing, on to the pics, p.s. i drive an 01 impala il try and post up pics computer<me

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ive got all sorts of room back there



back far enough to fold up the seats, when i put them back in...



port right next to opening, i have to cut a little more out of the deck still,



test fit, to get a good look at what it is

test and tune then decide

face is not thick enough and other prob i see is you cant seal off the trunk from the cabin so this will cause some cancelation. what would work beter is going to one sub and firing port foward and sealing off the trunk or going to 2 12`s foward with port to driver side or in middle of box hope this helps Good luk on the build Box looks Nice

subs up ports back..

its a trunk car bro