well first off the biggest advantage, is that a quality BOV will allow you to boost that new turbo you are buying. the stock bov was only good to around 14-15psi and i have heard that they leaked like a all hell. secondly you will only get that cool pssshhhhtttt sound if you get a BOV that dumps to atmosphere. which this is good, but if you are running a large turbo you can create a rich state in between shifts. a MAF translator claims that they account for the rich state when dumping to atmosphere. but the MAF translator is a whole other thread. so the other option is you can recirculate your BOV into the intake solving your "rich between shifts problem" but you wont have the "cool" pssshhhhttt sound when you shift. a crushed 1G is always a good option, i havn't heard anything on the HKS super sequential yet. i have a blitz BOV, dumped to atmosphere, and dont have any complaints, but i am also still on a t-25. hope this helps.
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