I suggest three new faction specific passive modifiers:
Empire:
New capacitor modifier:
Harmonic Amplifier: Increases main weapon damage from 3% - 15% depending on the weapon’s heat level
Federation:
New hull modifier:
Dispersive Hull: Restores 1 point of shield charge for every 3 points of hull damage
Jericho:
New CPU modifier:
Precision Fire Controller: Reduces rate of fire by 10% while increasing critical damage and chance by 20%