Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - whistle sound during acceleration
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Old 04-23-2012, 10:46 AM   #13
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Join Date: Sep 2010
Fan#: 78611
Location: windham, NH
What I Drive: 2002 black svtf

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just changed the SRI to the k&n typhoon SRI and the whistle went away completly, maybe i was using a crappy MAF sensor housing or something
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