Are the air filters on the air compressor something that should be done by a professional.
How often do they need changing?
Can someone provide the filter numbers? Thank you in advance
I don't know your particular set up, but it is very common for the air compressor to get its air from the engine intake manifold.
A good idea for a couple of reasons:
No need to separate filter
Air (when engine turbo is spooled up) is already compressed and cooled by the CAC
Just follow the hose routing to the air compressor to see how yours is plumbed.