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      09-22-2022, 08:17 PM   #1
erzenble
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Drives: 2011 335xi m sport PE
Join Date: Sep 2018
Location: CDA Idaho

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Catless VRSF DP W MPE. sound after install.

Hey I am getting a rasp/vibration during cold start and also during shifting at higher rpms.

I know there are tons of threads about this issue and I have read through tons of them. I'm wondering if the noise I'm getting maybe caused by me bending the midpipe flange up when I was removing the stock DP. I couldn't get it to bend back properly. I just tightened the crap out of the clamp.

Here are a couple videos of the noise. It doesn't sound normal at all and is embarrassing to drive. It's much louder in person.

https://youtube.com/shorts/W5m3lQn8zPs?feature=share

https://youtube.com/shorts/QiiZwav-RdY?feature=share
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