Its absolutely doable. I did it a couple years ago on my 2017 Remedy 9.9. I did a write up a while back about installing fox shocks on the remedy, but havent gotten around to the rockshox install. If I have some free time tonight or tomorrow, I'll do another write up specifically for the Rockshox.
Heres the write up I did for Fox, I'll try to do the same for the rockshox.
www.mtbr.com
Heres the write up I did for Fox, I'll try to do the same for the rockshox.

2019 Remedy?
Anyone else getting a 2019 Remedy? Post 'em up! I just picked up my 2019 9.8, and I'll be building it this week! Starting here: BUILT: