You get the Sith trooper armor, The canon ST-W48 Blaster that supports scopes and other attachments wont show. for the SAI and most of the other weapons and skins are black and red to match.

Sound mod for the blaster is separate so it you want the matching sound its available.

View: https://youtu.be/F6Y5ifTOQK8?si=IuPqCfQGLbu0Tksf
It in game.