search isnt helping much but i need a few suggestions

[Kangaroux 5,000+ posts]

If you're strapped for space I would check out the SSD as I don't think they need very big boxes. Downside to using the BL's is they can handle an upwards of 2k each

 

[audioholic 5,000+ posts]

This subthump box has an 8" mounting depth...

99-06 GM Extended Cab Ultra Deep MAXX Dual 10/12 Downfire Box

If you chose a sub with a pole vent, remember to leave room behind the motor for it to breath. Usually figure the diameter of the vent as the distance away from the rear wall.

 

[VisceralSound 10+ year member]

Don't suppose you'd need to go as small as maybe the Type R or S slim models would you?

I'm pretty happy with my Type R(regular 12"), good daily driver.

 

[winkychevelle 10+ year member]

This subthump box has an 8" mounting depth...
99-06 GM Extended Cab Ultra Deep MAXX Dual 10/12 Downfire Box

If you chose a sub with a pole vent, remember to leave room behind the motor for it to breath. Usually figure the diameter of the vent as the distance away from the rear wall.

i was going to try and modify this box and port it but after seeing the bottom i think id have to go single 12 on one side of the box plug the other side and port the other side with a 4inch aero

 

[mylows10 5,000+ posts]

View attachment 26527975you can also do the ascendant chaos or even arsenal ,if there is no dealer in your area i can help you .also you can look at the q logic under seat boxes .they are pretty nice and cost is not too bad ,you would have to get one for each side , and you can get pvc box colored to your interior or carpeted mdf