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Loud Humming Noise between 40mph and 50mph
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webmartinez
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Join Date: Feb 2012
Posts: 4
I drove with a technician today and he said that the sound is normal for an automatic on this model and the Boxter. He said it was RPM related and that it was air traveling through manifold. Your thoughts?
02-29-2012, 10:35 AM
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