I was only able to locate one blow off valve so I pulled the hose and capped the intake side. Took it for a spin and it's so quiet I can hardly hear it. The MKS damn near scares people it's so loud! Not sure if there is another BOV or the fact that I dont have a tune yet but there should be just as much PSI to release so I'm not quite sure why it's so quiet. I would assume there is a second BOV, if there is its buried in there!
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