The solution for the original Saints Row: The Third removes the black bars from the real-time cutscenes at any resolution. If looking for a similar fix for the Remastered version, see my other mod.
- Download the archive at the bottom.
- Unpack the contents to the game folder.
- Play the DirectX 10 & 11 version of the game.
To uninstall, simply remove or move the files.
Tested on the latest Steam version at 1920x1200, 3840x1080, 5120x1440, and 5760x1080.
Made possible by 3Dmigoto.