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      11-17-2020, 01:18 PM   #5
drwankel
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Drives: E92 M3, G20 M340i
Join Date: Feb 2016
Location: Bothell, WA

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Trying to get them in the same position as the primary cats. The removal of the cats is what introduces rasp. Seems like the logical place to put them.

I'm keeping the factory x pipe for now. Don't know if there is a good spot on the factory x pipe to add additional resonators.
Appreciate 0