Air Oil Separator Wrx Install

After about 5000 miles, i had very similar results shown in the video:
Air oil separator wrx install. 4 to install and put back together and another to diagnose and fix a boost leak haha. Is it beneficial to run an air/oil separator on a mostly stock 2020 wrx? I have had a cusco oil catch can on the wrx since around 50,000, but it has never really caught anything.
The design is based on years of service in racing and high horsepower subaru's. I've been trying to cross reference oil catch cans and air/oil separators to fa20dit. To function as its air/oil separator description implies:
Hey i was wondering if anyone has the air oil separator from iag performance. I can’t imagine it would require a tune. Long term tested on street and track conditions.
Either wrinkle black or wrinkle red. 'surpised perrin has not taken the lead. I'm trying to avoid the same situation with my inbound xt.
An air/oil separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. | free shipping over $99.00! Using diagram below and npt fitting notes above, install (2) 5/16” straight npt fittings into side ports on bottom.
Aos (air oil separator) is it something every wrx should have? The intake end of the intercooler had a good amount of oil. V2 top mount intercooler (s0720: