Thanks for the tips!
The reason I am going with a new exhaust is because the one on there was totally rusted out and has a few holes in it; the new exhaust is slightly larger, so we'll see. I got a good deal on it and I need to get inspected so I pulled the trigger. I got the K&N for free out of my brother's old pickup, so that's the reason it's there.
I'm still working on the Nut between the steering wheel and the seat; it's a stubborn one to tighten up.
This tank will be significantly better; I'm already about 50 mi ahead of where I usually am with a half a tank left. It looks as though I will be around 26MPG this tank.