Originally a free Japanese PSN download, this "Kai" update is now typically distributed as a file for modded consoles or emulators. How to Install the English Translation Patch
Since the game was only released in Japan and Asia (in Japanese), fans created a translation patch to make the menus navigable. initial d extreme stage ps3 rom upd
If you're looking for an update (upd) for the PS3 ROM of this game, here are some general steps and considerations: Originally a free Japanese PSN download, this "Kai"