I just added the TS supersonic vacuum BOV a few weeks ago and I do notice the little chirping. This specific BOV was suggested to me by MPT for higher boost. When I did a 1/4 mi run I got an evap malfunction code thrown. I think I'm going to try replacing the rubber vacuum hose with something sturdier. I went from 4.6 to 4.2 sec 0-60mph which is substantial so I really can't say it isn't doing what its supposed to.
I was considering going the TBS route + oem components replacement but it seems to me that my SS BOV is not seating as tight on my Wagner IC, even after I replaced the gasket, so I decide to go with this product.
I plan on making a thread comparing both applications but overall share the same sentiments that others have regarding how TS launched this product + provided no remedy/ support for customers
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