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My friends and I are going to build a custom trunk for my car
Going to be running 2 10in. alpine type r's and not sure which amp im gonna go with yet....

Can anyone give me some tips before we start on this project, cause i've never done this before, and i want to stay away from as many problems as possible.

how long did it take you to build one if anyone has ever done this?
what kind of problems should i watch out for?
anything you recommend i need to get?

thanks

 
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Biggest thing with doing custom work is: Take your time! dont rush. What exactly are you gonna build? False Floor? Fiberglass? you need to be a little more specific.

 
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false floor....not sure if i want to mount my amp on the side or incorporate it into the floor, im not sure if i will use plexi glass or vinyl, def. not going to mess with fiberglass

 
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False floors are not difficult, just make sure you measure and when your done do it again. Always double check before you cut. adding the amp to the false floor always looks nice, especially under some plexi.

 
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If you dont use fiberglass wont you lose a lot of usable air space? Im just thinking of some of the other false floor boxes ive seen

 
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i think fiber glass is the way to go, you get the most out of the spair tire well and you dont have to cut a lot of difficult angles,...save you tons of time....

 
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All in all it takes lots of time to do it right. My setup took me 3 days off and on, and thats with all the wiring run beforehand.

 
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yea i have all the wiring already done, i just need to build the box and stuff...

 
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where do yall put the tire?

 
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In the garage

 
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oh no thats no good

 
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haha, yup

 
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Do what I did, build a custom ported/closed box that sits ontop of the floor and integrate your amplifier into the floor and cover it with plexi.

 
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mine is very simple
http://i24.ebayimg.com/03/i/01/9b/05/0d_1_b.JPG

 
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here is a neat concept:

when you build your false floor box, build AROUND the spare tire! rather than fiberglass the bottom, cut out two pieces parrallel to the seat backs, that fit into the spare tire well, and "wall off" the spare tire well front and back. its still metal on the sides and bottom, and the spare is still in it. these pieces you will bolt in place and silicone seal them.

now you cut out a piece of MDF that size (to cover the entire top and seal it) and mount your woofers in it, and maybe your amp on that board, too.

then grab some 2x2's and surround the whole thing on top. carpet it, and mount the speakers in it permanently.

now screw that piece of wood onto the top of the trunk, and your box is funtional! its as light as you can possibly get a speaker enclosure. check out one of my DIY's for making a false floor that sits on the 2x2's, and covers up the aesthetic trainwreck we called a subwoofer box

then, when you want to access your spare (and it will be a pain in the ***, but youll have it!) you can just pull out the false floor, unscrew the box top, lift it out or up, then you cna unscrew teh spare and pull it out from INSIDE the box!

besudes, if its pouring rain outside, your calling AAA anyways, right?

 
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i put mine in my backseat in a giant trash bag

 
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you could just relocate it to under the car. (spare that is)

 
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thta only really works on coupes... sedans it will only fit on the direct bottom of the tire well, and that whacks speed bumps.

 
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Can any one with a sedan post pics of their sub and amp setup in the trunk?

Thank you

 
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I glassed my floor and got 4.1 ft3 out of it. Now it's tuned to 35Hz with 2 Diamond TDX 10's. Sounds great!

 
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so you know how to do this?

 
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mine doesn't need to bolt on to any of the cars body, I can just remove my custom box whenever and it's easy to do it....