Check out the factory Scion radios. There are several threads on here about those stereos and which attributes they have. Also they are plug and play with just a very minimal trimming of the stereo surround.
Sent from my SCH-I545
When my factory antenna broken I ran the coax to the back and mounted an am/fm firestick to a yotateq mount (works great and I get better reception than I did with the factory antenna). Since people are saying the splitter and combo antenna aren't great, you could run the cb antenna to the other...
Received the FJ Cruiser fire extinguisher mount ($30 and included the factory mount attached to it). Only had to drill one hole to modify it to fit the rear grab handle location. Will be adding at least one super quick fist to help hold it in place, but the factory mount keeps it from rattling...
Added carpet to my sleeping/storage platform. Carpeted the tailgate, and plastidipped my bolt hangers and added a QuickDraw for a handle and easy access.
Recently made my own slider screens for camping. I made a template with cardboard, then using some Komatex sheeting I cut out, shaped and sanded the frame. Black spray paint, and added screen to the inside and attached with black duct tape. Planning to add some rubber door trim that will finish...
If you use Yakima wraparound mounts you can use just about any hi lift mount with some imagination. Mounted mine on the ends of the Yakima bars outside of the rack.