Congrats on your new ride,,,,,,,, i looked at the flhtk,, but opted for the ultra,, the frames on the newer bikes are sure a big improvement over the old frames...
HD Premium Oil cooler took me down about 10-15 deg in oil temp, stage one and PCV took me down another 10 deg- both made a huge difference.
Next is headers.
This is a lot more comfortable ride than the old Road Glide.Handles pretty nice and I like the larger rear tire and the tour pac.
There sure is a difference between the fairings.There is less wind noise with the batwing.No problem getting use to the fairing difference(fixed vs.turning).
Congrats on the new bike! Weird how things work out. I just recently went the other way. 2006 Ultra Classic to 2011 RG Ultra. I now preferred the shark nose fairing. And I guess the rest of the bike is the same...