This section contains spoilers about certain plot elements, rewards and outcomes
The Cabal of Curbs only get Sectors if the player advances the main Split Vendetta plot. Regardless of What side the player chooses in the SV plot the Cabal of Curbs will seize all Free families sectors other than the two Family Tkr sectors.
If The player sides with the Curbs they will take over Free Families manufacturing facilities and hence produce raider variants of Split S and M ships, the FRF unique Balaur and the standard complement of Split L and XL ships. Additionally, it is important to note that the Free Families and the Cabal of Curbs are the only producers of Split Flak Turrets.