Thread: ESS modified Vortech supercharger Blow-Off valve?
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      08-01-2015, 01:56 PM   #5
JFB06M
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Drives: 2006 M Roadster ESS VT2500
Join Date: Oct 2010
Location: Rochester MN

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I have played with spring pressure adjustment nut…..only made whistle worse.
The filter I attached help only on start up.
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