Ford Mustang Forum - View Single Post - High pitch whine at low acceleration/RPM
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post #5 of (permalink) Old 03-14-2012
Grimace427's Avatar
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I get a whistle from my Steeda intake that is so clean it could easily be confused with a whine, any possibility that is what you are hearing? Does it matter what throttle position you are in or is it purely RPM dependant?
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