I found the Metco breather was open/venting air out all the time and getting oil saturated, so I'm going to use the old oil filler cap and put a clean side Catch Can:
https://www.mishimoto.com/compact-ba...an-2-port.html
I think this will be a better setup vs 2 'breather' types. The Mighty Mouse has a check valve so it only 'opens' when under boost -- not the metco -- its open all the time.
Should have that in a week...
-Don