Some cars seem to work while others do not
"Can confirm its 100% that certain skins do not work.
Tested with cybertruck , nissan fairlady z and the scorpion
When the cybertruck or the scorpion was equipped the whiplash / SUV did not transform
When the nissan fairlady z was equipped the whiplash did transform into it!"
You can updvote bludrive’s bugreport here: Car Cosmetics no longer working in Creative Islands