Today Deep Silver Volition (the projects developer) has released a new Saints Row IV DLC which is called "Pirate's Booty Pack". This add-on is already available on Steam, and it costs just $1.49.
via N4G: pc news feed http://n4g.com/news/1387999/new-saints-row-iv-dlc-is-released
via N4G: pc news feed http://n4g.com/news/1387999/new-saints-row-iv-dlc-is-released