Regarding noise from the partical separator, its only the fan running that you notice when stationary.
The amount of racket that these things make when moving, ie engine, transmission, tyres etc,
its hardly an issue, its your engine that you are trying to preserve not you ears. LOL.
As for the roll cage mods, if you look closely at the pictures you can see that it has been lowered 120mm
NOT raised thats why the plastic roof is so close to the separator, the mounting brackets and clamps etc
are the ones supplied in the YXZ kit, all fits perfectly as so does the wiring loom also supplied in the kit.