One thing I would add . . .
Airfilters is a matter of HOW dirty it is. Over cleaning or replacement isn't needed (waste of money), but it does make a difference if it is REALLY dirty. Again, follow the manufacturer's recommendations on replacement and cleaning.
It IS a "wear item" and does need eventual replacement/cleaning. Just, don't do it to early and expect it to make a difference.
I cleaned out my CAI filter recently and was surprised how dirty it was. Of course since around here there are LOTS and LOTS of dirt and gravel roads, plus the "sandhills" start just south of me, there is a fair amount of road grime on a regular basis. Add to that it has been nearly 40,000 miles (recommended 30,000-50,000 miles between cleanings). It made some difference.
But, there would be no need/advantage to clean/change the filter early.