Quote:
Originally Posted by Ingeniator
Yes stock diverter valves go to the turbo inlet piping. However with no inlet piping you have to go atmospheric so why would you filter it.
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You typically see small filters on things like PCV and other openings/vents into the engine. Would not want bugs or mice crawling into your DV's. It's not to filter the air going out it's to prevent garbage getting in.