S467 turbine housing A/R impact

I don’t feel like it’s any slower than the stock turbo with the tuning I had. It was a slow spooling tune but now this thing seems much better.
 
So to you that low pitch sound at low psi is nothing to worry about?

I do know that I have a small leak at the intake horn gasket because i damaged it this morning trying to troubleshoot the sound. But before this morning that leak wasn’t there and the sound still was so I think the sound is just the turbo making noise.
 
Ok, glad it sounds normal to you guys. I like working on my own stuff but that means I have to learn as I go. Having you guys to lend advice and experience really helps.
 
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