Dunno about the taillights, but there are decent kits that are just drop-in replacements from halogen -> LED.
HOWEVER!
There are a few things you need to know...
...there is a difference between Quads and Projectors (the two types of headlights you're liable to find.) Not all LED lights are drop-in (though on the 2017s, many are.) Many of the ones which are not come with resistor packs that help the LEDs pretend they're Halogens. With OBDLink and AlfaOBD, you can lie to the TIPM (computer) and make it think that LEDs are allowed on your truck (though not all LED sets even need that.)
Confused yet? We're just getting started, so hold onto your butt...
...now - you have to look at Lumen output. Bigger is not always better. Around 5k Lumen/bulb is what you want (because anything brighter makes you an ******* on the roads, and pumping out 10k Lumen from the front of a truck is pushing it.) Color temperature is next. Too high and it's a headache-generating shade of blue that washes out all color. Too low and it's a dull, ugly yellow. 6000K should be about right, but don't go too much higher or it gets real ugly, real quick.
Oh, and don't forget to make sure that those LED bulbs are oriented CORRECTLY when you put them in... there's surprisingly a lot of room for slop, which can throw your pattern off and, also, make you an ******* on the roads by blinding everyone your grille is pointed towards.
I know. TMI. TMFI, really... but here's the thing: You can skip most of that headache by getting hold of one of the fine vendors who sponsor stuff on the forums, and they can walk you through a lot of this stuff, and set you up (for a price) with a set of lights that drop right in.
Good luck.