I have never had a twin scroll so maybe i'm not used to to it but instead of a constant whistle while at full boost and hi rpms, it sounds a little choppy. My friend said it sounds like perhaps my waste gate is leaking boost? it has sounded like this since day one so i figured it was normal. I noticed it more after i unplugged the BPV hose from the intake and made it open atmosphere but now i'm kinda worried that it is an actual leak. Anyone else know what i'm talking about?