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MR_M2 · 06-21-2018, 08:51 PM

Rattle is not because of metal to metal contact but the inherent startup frequency resonance that MPE muffler can't handle. Don't believe me? Here, I have the MPE pipe welded to the OEM. It still rattles, but it's less violent now.

06-21-2018, 08:51 PM	#73
MR_M2 Lieutenant 519 Rep 444 Posts Drives: 2017 M2 6MT, 2022 X7 M50i Join Date: Sep 2016 Location: Bay Area iTrader: (0) Garage List BMW M2 [0.00] BMW X7 M50i [0.00]	Rattle is not because of metal to metal contact but the inherent startup frequency resonance that MPE muffler can't handle. Don't believe me? Here, I have the MPE pipe welded to the OEM. It still rattles, but it's less violent now. Attached Images
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