08-26-2017, 10:30 AM | #1 |
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MPE whistles
I got the m performance exhaust installed at the dealer and now it should be completely broken in. I noticed a few times with full throttle that towards the higher rev range it has a distinct high pitch whistling noise, can anyone let me know if this is normal and what it is?
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08-26-2017, 11:21 AM | #2 | |
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m performance exhaust, mpe, whistle |
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