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      10-22-2020, 12:53 AM   #1
Carrera16M3
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Drives: BMW F80 M3
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Angry Catless DP Whine?

I just installed catless downpipes on my 2016 non comp M3 and getting this steady ringing/whine coming from the area near the downpipes. Is this a normal sound going catless or is this a leak? Charge pipes and air intake clamps are all on snug. Only other mod are vrsf charge pipes

Hereís a video of what Iím hearing, sound is most noticeable from beginning of video to 14 seconds:

https://youtu.be/NtxnfBVoaTs

Last edited by Carrera16M3; 10-22-2020 at 01:14 AM..
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