For more questions for Star Wars Knights of the Old Republic II. This lightsaber mod will not work properly without the latest version of TSLRCM (1.8.4) installed.
This is a large scale lightsaber mod which was designed to work with TSLRCM 1.8.4 with the option for M4-78EP compatibilty (1.2). As to the one comment saying red color doesn't equal a sith/dark jedi. I'm not sure if KotOR games were the first source where the tradition was mentioned during the lightsaber crafting part, but that's where I heard it the first time. Krayt Dragon Pearl - Blue, Green, White, or Black.