This will be packed in the SG submod and will not be compatible with others unless you know how to replace all the correct folders.
CFD will give all units 100% accurate sirens and led patterns!
All the older photos show no back bar but recently I saw a video that had one and was thinking about adding it.
We got the same bar from the LASD Tahoe and it'll only take a minute to add it so no big worry.