Bypass valve
#1
#3
Ok since posting This I have done a lot of research and got a quick school up at my local tune shop innovative tuning I would need that cbv upgrade kit I got the turbo xs bpv how ever it's an entirely diff design Sony would have I block the stock cbv and do way more then it is worth to instal the aftermarket bypass that will do nothing but sound cool so I'm returning the parts thanks tho for your help tho
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