box help

I working on finishing up a subwoofer box for my VW. I'm keeping my spare tire under the box so I'm getting a little creative with the design. I'm have the subwoofer depth figured out ( 6.75" ) the total cubic feet figured out ( 2.06 cubic feet ) I'm posting some picture of the build so far...

Looking for a little advice on designing a box for 2 're sx18's. Subwoofers are going in a ford excursion so space really isnt a issue until 50 "-w. . I would prefer subs up port to back. But open to suggestions. Running a opti 4601. Looking to be around 14-16 total cu. Ft. Tuned 34 hz

:nerd:I'm pretty handy.. but don't know much about building boxes.. But I got handed the short end of a stick.. Great Subs (2 AB XFL 1244)... Great Amp (AB Phantom 4000D)... but really shi**y install.. nowhere near specs... box might be .75 cubed sealed for each sub.. So i'm going to attempt to...

Does anyone have any suggestions on how i can keep my box in one place in my trunk? whenever i go round corners it slams into the side. I was thinking about getting strong velcro, but the box is pretty heavy and i dont think it will keep it down.

Recently just purchased a 15in fi ssd and was hoping to get some ideas for a box; size, type of ports, number of ports, tuning frequency, the works. Additional details: will be getting 1200 watts at 1 ohm daily The back of my suv is 42 inches wide, with a maximum depth of 38 inches and a Max...

need help designing dual reflex bandpass enclosure or would a single reflex be better?

will someone make a box design for me or tell me how to do what im trying to do please im stuck

Is a box that is 13.6 cubic feet big enough for two of these subs? That is with estimated displacement of the subwoofers. This is going in a ford contour trunk. Until I can wall them off. If it is two big I will also get rid of some cubes. If anybody could draw up some blueprints for my install...