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I don't think very many people mess with blow off valves. More so the diverter valve.
You can put a BOV on but I believe a diverter valve(dv,n27) would be more practical
^oh sorry. It would take longer to get either of them out of their packaging then to install them.!!!! ;-)
Tons of info on things in the Faq sticky above
If you're looking for sound, I would do a new intake before changing out your DV. A cone filter or just about any aftermarket intake will give you the sound I think you're looking for