Hmmm well the paper gasket is gonna be solid for sure. I may try that and if this kills the whistle I’ll know the problem. If not I’m gonna have a f’n mental breakdown. Sounds like a micro bypass valve. Since my car has no turbo it’s not a cool noise
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Camaro 2SS 1LE, MBRP Catback, Mishimoto Catch Can, Rotofab dry, TSP1 7/8” headers,DSX FF, Pray ported MSD, 95mm TB
492WHP 473WTQ
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