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      02-04-2024, 07:55 AM   #6
TupperBMW
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Drives: 2022 M850i Gran Coupe
Join Date: Nov 2021
Location: Chicago area

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^ I see. My understanding on how these things work:

Resonators—tune out bad frequencies
Muffler—lower the volume.

I always figured that if I wanted the same tone but just wanted my car to be louder, I would do a muffler delete. With a res delete you are changing the tone, but I don’t know how much you are increasing the volume?
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