Hey guys im new to the forced induction side of the world. I saw on COBB's website that they sell a bypass valve, what is a bypass valve/what does it do? is it worth it? Also would a atmospheric BOV be ok to put on to my 2010 WRX? I have heard that the WRX is set up to use recirculating BOV? So if you guys could help me figure this stuff out i would be thankful.