Quote:
Originally Posted by xwd
What he was getting at is the Harrop connects to the stock PCV on the vacuum side of the supercharger (throttle body most likely), so there is no difference from stock and you don't need a check valve.
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So I don't need a check valve or need to do the WRX PCV swap? And I could run the catch can in series between the manifold and PCV without modifications or issues?