Super Saiyan 4 (SSJ4)

Super Saiyan 4 (サイヤ Sūpā Saiya-jin Fō) is a Saiyan transformation which first appeared in Dragon Ball GT. The form is a different branch of transformation from the earlier Super Saiyan forms, such as Super Saiyan, Super Saiyan 2 and Super Saiyan 3.

Information
In order to be able to use this form you need to have the tail cosmetic, you can place/remove it in the character creation menu.

Level 1300 needed to use.

The form was used by Goku and Vegeta.

It's the only form that requires the tail cosmetic in order to use.

Unlike the rest of the saiyan forms, your hair color doesnt change it only changes the shape.