What you are referring to is generally caused by compressor surge and is most prevalent when you run no BOV/DV at all. You can achieve similar sounds with a VTA BOV but generally speaking the sounds is produced by air going backwards through the compressor, which is BAD for the turbo, especially without an anti-surge housing.
The turbosmart is a good option if you want a VTA DV but AFAIK you will not get that sound. Just a louder "whoosh"
Last edited by thejeremyman9; 05-04-2021 at 04:53 PM..
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