Great pics.
I think you only can post 12 pics per message. Post another message with a comment and you can post another 12 pics.
Finally JL Audio made Stealth box for the X5. I made my own version back in 2001 by using the stock OEM sub box, but I did use a JL Audio subwoofer....Here is a pic....
By the way, I placed my amp where the Bluetooth ULF usually goes (left lower area) and I put the ULF on top of the components rack...