My 21 you can do it, and I guess some 20's also, but, you have to do the hokey pokey. It's actually a process of button pushing, there are some long posts about it. Mine works after the hokey pokey, I prefer a cajun rhythm to the hokey pokey, but it is what it is.
I chose the Corsa fart can system, having a manual transmission I prefer a little audible feed back. I liked the fart note of the Corsa the most, happy with it. Don't hold back.
I know my Corsa Exhaust has 2 small weep holes in the muffler to let out moisture, I don't remember if the OEM had them. Look closely you probably will find a tiny hole.
The "red line" on the tachometer is at 6500 rpm, but that's really meaningless. I'm sure there is a rev limiter, I have no idea what it's set at, I've never hit it. Anyone have a clue as to where the rev limiter is set?
A gear change would definitely make a difference, but if you're unhappy now I don't know if throwing more money into gears would make you satisfied. Wait for the Hemi Gladiator, trade up.
Manual transmission Mojave, and love it. Down a dirt road coming into a corner down shift rev match then hit the apex and nail it, straighten out and grab another gear, there's just something about a manual transmission that satisfies. I like to drive, I go for a drive just to go for a drive...
I had the B2 delete. Hated it, had less then 100 miles on the B2 exhaust when I ripped it out and shit canned it. The drone was so bad it actually was giving me a headache and making me sick. I have a email from the owner saying it has minimal drone, it's the worst drone I've ever experienced...
I was pick pocketed about 35 years ago. Wallet has been in my front pocket ever since, carry just couple cards and some cash. Wallet of choice is Machine Era Titanium. Minimalist design, light weight, indestructible, ain't cheap, cry once. I have one of the earlier Machine Era heavy brass ones...
https://www.jcroffroad.com/product/JTRMP-PC.html
https://www.jcroffroad.com/product/JTFMP-PC.html
I don't know if these will work for you, but they can be installed without the trail rail.
I have no experience with it, but several in this forum have had leaks around the rear window and they had them removed and replaced. Search for rear window leak and you might find something about the removal. It sounded like it was pretty brutal and most cases they were destroyed during removal...