What size subs to get?

[Teezy]

I was going to try to build my first ever box have no idea how to just seen a few video's seem's fairly freaking easy but anyway My box is going into a small trunk and is going to be L/40.5 x H/16 x W/ 23.5
tuned to 30 hz i wanted to know what size Obsidians to go width and how many?

[BoomBoxStereo]

wrong forum man

[Falcons]

dem 8's bro

[gckless]

This shouldn't be in the classifieds.

[Teezy]

sorry who can move this or which one should i put this in?

[mylows10]

da funky pups 3 10's

[gckless]

da funky pups 3 10's

Too much woofer! He'd blow that box apart!

[hispls]

Pics with username and date please