A gravitic modulator, designed during the Galactic Alliance, was a modification used on the StealthX starfighter which was designed to defeat mass-detectors. This aided the craft in remaining undetected by enemy sensors. On a StealthX it replaced the third proton torpedo launcher.
- Dark Nest I: The Joiner King (First appearance)
- Dark Nest II: The Unseen Queen
- Dark Nest III: The Swarm War
- Legacy of the Force: Tempest
- Fate of the Jedi: Vortex (Mentioned only)