Goku becomes a burning beacon of raw sexuality in the of Dragon Ball Z: Kakarot. You can make him naked with this mod that replaces almost all outfits. It has physics but only works when Goku is flying. Credits: loxoss.
How to Install Dragon Ball Z: Kakarot Naked Goku
Extract the “DBZK-Goku-nude-mod.7z” with 7Zip archiver or another similar program and put the PAK in the folder: “DRAGON BALL Z KAKAROT\AT\Content\Paks\~mods”.
If the “~mods” folder doesn’t exist, you should create it manually.
Goku has many transformations and outfits, on gameplay and cutscenes, this mod includes most of the outfits, but apparently some are missing from cutscenes, The author of mod will add updates when he finish all models.