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The video really doesn’t do it justice but it’s definitely not a normal turbo spool sound

Yes I don’t think it’s the turbos, it’s more of like pressure being let out sound (not the bov). It’s super high pitched I’ve tightened a hose on the turbo that looks loose and still no difference.

I have a 3.5 eco boost explorer with 90k and for a while it’s been down on power I had to replace the cats because misfires. The misfiring stopped but it still doesn’t have the get up and go that it should. Recently it is making a whining sound at high rpm almost like power steering but more...