Currently the full replacement has a huge glitch. The chinese nanosuit seems to replaceevery ingame actor. However, when replaced they are invisible for some reason. As I stated before, the full replacement has some issues atm. Thank you.
Korean Nanosuit replacement
Go to your Crysis game folder -> Electronic Arts -> Crytek -> Crysis -> Game.
Copy the downloaded object file into the current game folder (Game).
NOTE:If you use modiefied object files, scripts, textures the cheatprotection won't let you play.