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for BIC down pipe, i dunno cause i made my own. but for the HKS its just surging. my buddy running 14 psi on a t67 and at low boost when he lets off it surges. its just what the BOV does. way its designed maybe??? i dunno but it does it on my 7m as well. we loosened it and everything and it...

oh ok thats interesting, i always heard of the Jelly Bean thing

What??????