Got a 2.5″ leveling kit on my 2022 Gladiator, only 13k miles pretty much all city/highway to this point. I told them that I experience a shake similar to the death wobble as well at times. In order to do the level, they said they would need to replace the drag link as well for the wobble.
https://www.jeepgladiatorforum.com/forum/threads/am-i-getting-ripped-off-2-5-leveling-job.87127/