Quote:
Originally Posted by TheMidnightNarwhal
Me, I don't enjoy the whoosh sound. And I've never read any issues with stock diverter valves unless you are doing crazy power. Do you have any sources to back up that it's a must have mod? Even MHD don't say it's required.
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I think he was meaning vs leaving an open hole but maybe I'm wrong. Stock DVs work fine unless you're at a ton of boost, but yes, they don't work in some aftermarket CP setups