A couple of points about a few of the recent mods being discussed so you don't have to read every post (or other ones).
Tailgate assist. 100% awesome. I don't think there is a better mechanical/operational mod for under $30. You'll ask yourself why you didn't do it sooner.
Antenna. As long as you live close enough to the radio station(s) you listen to, a stubby works. If you're rural, a stubby (or cutting stock one down) won't pick up stations as well as a full-length antenna. It's just the science of radio waves. There are some stubbies better/worse than others- I think it's the quality of the connecting metal/threads. Check reviews before you buy one.
The seat mod. There are two safer alternatives to using washers. One is using a metal bar instead of washers and longer bolts. The other is cutting off part of the seat hook (several videos online).
Pros to washer: reversible, cheap. Cons: not structurally safe, lose 5/8-3/4" headroom
Pros to bar: safer, reversible. Cons to bar: more expensive, lose 5/8-3/4" headroom
Pros to cutting hook: safer, cheap. Cons: not reversible
If you use washers or a bar, PLEASE use longer bolts and loctite.