Its not fun. Literally just got done doing it this weekend.
Youll want to remove rear seats. Also the floor tray, that was the only way i could do it, and only has a few nuts securing. The back panel is secured via clips to the top of the floor tray, and on sides, and in middle and 4 along top...
Selling brand new Fat Bobs Garage Rear Spacer kit, 1.5" spacers. Seem to be quite heavy duty. Includes also a rear brake line bracket extension.
Went with larger lift new coils instead of this set, so never installed. No instructions were included, but seems pretty straight forward.
Now only...