High pitched whistle/whine with roush exhaust

[Rkelly88]

The only two performance mods at the moment are the MRT H-pipe and Roush AB's... A few days ago I came across a long overpass, which led me to see how loud my new exhaust was, so I floored it and when I did I noticed a very high pitched noise/whine I hadn't heard before. It's only heard under WOT next to a high wall or overpass. I circled around a few times to see if I could place the exact location but couldn't... I checked all of the clamps and inspected the piping to see if I had signs of a leak or failed clamp but everything was tight... unless the supercharger fairy dropped in early i'm out of ideas. I tried to get a clear vid with my iphone but the exhaust is so loud the microphone keeps having an aneurism... Has anyone encountered this?

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[chris_5oh]

Nothing here, if I hear any whine or whistle hopefully it's just the intake