EasyFirstPerson Lagging when I go into first person

I was looking for a good first person framework and I came across EasyFirstPerson by @yelowfat and it works pretty well, except it drops like 10 frames every time I go in and out of first person. Does anyone know how to fix this?

Example of the issue:
robloxapp-20221220-2047243.wmv (1.7 MB)