Don’t know if you be down for it, but those cubbies under the rear seats are removable. They’re just some shaped sheet metal added to the floor boards. There’s another member on here who did it.
Another option would be fiberglassing.
Edit: I think 99% of members will tell you to go ported and...
One thing that's good to know about dodge setups is that the front speakers and the 3.5s in the dash are tied in together. Best solution is to get components and simply disconnect the dash speakers. Trust me, I've been there
Ill see what my boys in the machine shop can do. plus my buddy just gave me his old stick welder. shouldnt be too hard to make a plug, weld it, then grind down.
good ****, thanks man!!!