I Really would love to have a Sub-woofer to complete my setup..
but trunk space is also valuable to me... what do I do?

Ive been asking around if the under seat plug&play amplified 8" Sub is worth it, NOBODY said yes.
The box set (Focal SB30 A1) would likely be my choice if I ever go through with it though, what's your take on this?
should I let my installer create a custom box instead, It would be a little cheaper.