I have researched the LED Tail lights that fit the 2007 - 2014 trucks but they do in fact fit the 2015 - 2017 model years and they are plug and play, although the manufacturers haven't officially said they will work. From what I've found out if you don't convert your front turn signal bulbs to LED you will not have the hyper flash issue, but you can always add resistors or disable the hyper flash - bulb out issue.
Headlights that fit the earlier models do not fit the 15, 16, 17 models because of the shape change.
WeatherTech floor liners are available.
CoverCraft Windshield sun shades.
I've seen those plastic deflector things you put on the side windows are available.
I've also seen hood deflectors.
Some mud flaps will fit depending on they type of running boards that you have.
Ford has some accessories on the Ford Owner site.