My pvc setup
you are likely not making use of the first three components and air is just going from air filter to intake.
get a can without an air filter, then you are talking. and put an air filter on the opposite side of the engine
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Hooking your intake vacuum to that can w/ a breather is basically just creating a vacuum leak.
If you were to use a can without a breather, it would do the job better by actually getting vacuum to the crankcase. Then you'd need to do like mighty mouse did and provide another one way check valve to let pressure from blow-by to escape when under boost. That second valve would not allow air to enter, only let the gases escape.
If your running a catch can, thats the route to go. But, if your just gonna let it vent to atmosphere all the time its pointless to run anything more than a pair of valve cover breathers.
one-way valve --> catch can --> intake
ALONG with
one-way valve on other valve cover.
OR
Two Breather Filters ONLY
Anything else is pretty much pointless if you ask me.
Screw the dinky little pcv line, plus now you won't have oil in your intake. I don't have any oil issues anymore after the pcv/catch can has been completely removed.

As a bonus, notice how much clutter is gone (pcv) in the left sig picture below?






