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NISFAN · 09-24-2020, 10:34 AM

The exhausts are super tightly packaged. I bet a heat shield screw or something is touching the exhaust as it vibrates in that frequency zone.

09-24-2020, 10:34 AM	#4
NISFAN Major General 3492 Rep 9,708 Posts Drives: BMW M2 Join Date: Aug 2012 Location: Bedford UK iTrader: (0)	The exhausts are super tightly packaged. I bet a heat shield screw or something is touching the exhaust as it vibrates in that frequency zone.
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