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Old 02-27-2011, 04:01 PM   #3
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Join Date: Feb 2004
Location: Oakhurst, Ca
Posts: 1,781
My Ride: 96 M3, 02 M3, 01 M5
I have a feeling it may be something in the Y split at the tips that's causing the whistle noise. I sort of want to hack that off and find out.
braymond141 is offline   Reply With Quote