Wheel bearings are good, I prefer TIMKEN bearings off rockauto for 85ish each.
Whats wrong with your stock CAT converter? If its not broke, dont replace it with a highflow, it wont do anything.
Tires are okay.
Dont buy the ZZP shift kit, they suck. Buy a shift kit from Triple Edge Performance. Then get a filter and 8 quarts of DEXRON 3 from the auto parts store.
Search "simple intakes" on this site, you can make your own intake for under 60 bucks compared to 200 off a dumb website.
Ac Recharged is good too, keep it cool.
Trust me on what I said, I am just helping you save money and your car.