I just purchased a R33 GTST and I want to get an after market blow off valve for it. From what i've researched the install seems pretty straight forward. I was just wondering if there was any specific brand or type that anyone would recommend! Also, when you install the BOV and you have to block off the re-circulation hose, is there any specific parts you can buy to do that? I don't hate the idea of a metal bottle cap and a hose clamp, but id like to know if there is anything purpose built for that.