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      11-21-2023, 06:48 PM   #3
drwankel
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Drives: E92 M3, G20 M340i
Join Date: Feb 2016
Location: Bothell, WA

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Honestly, test pipes is probably what you want. Yes you will need a tune if you want to remove the check engine light, but its not too big of a deal, plus other benefits. The secondary cats do a good enough job at removing the smell, and there is little to no rasp with this setup. (stock resonators remain)

I'm in the Seattle area, and that is the combo I am running. Corsa + test pipes. If you want to hear it in person we could arrange something. Let me know.
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