You don't need to be alles to just see the exotic turrets, but still need to be alles with required relations to build them.
Legendary turrets require alled status to see and build as before.

Version 1.7.2
- update for Avorion 2.3
- compatible with Ancient blueprints

Version 1.7
- added option to turn tech 50+ turrets into blueprints
- increased credits and materials cost of tech 50+ turets
* only factories of tech 50 can process tech 50+ turrets

Version 1.6.2
- update for Avorion 2.2.2

Version 1.6
- update to Avorion 2.2.1
- tweaked the newly added randomly generated turrets
* added exceptional and legendary rarities with appropriate roll chance
* tiers will be available according to faction relations, similar to regular turrets
* own and alliance factories can always show up to legendary tier, the same as with regular turrets

Version 1.5.2
- update to Avorion 2.2 Hotfixes 2022-08-05
- added fix to allow turret factory to again build exotic and legendary turrets

Version 1.5.1
- update to Avorion 2.2
- own and alliance stations will show all possible turret tiers regardless of relations
- lowered blueprint cost from 2x to 1.5x turret price