There is some room but I like it because it doesn't encroach on what little storage there is.
I wanted something I could just pop out if need be. The cargo cover came with my car.
No it's a pioneer tsswx251. I chose it because it fit under the bar, between the shock towers and faces down so it doesn't get damaged. I secured it with just some nylon straps wrapped around the strut brace and snaps on top of the enclosure. I also chose this because the cargo cover clears it. The JL may work too but I got the pioneer on sale!