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      07-25-2025, 06:39 AM   #12
GOFAST M3
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Drives: 2012 E92 Silverstone II
Join Date: Nov 2016
Location: Houston

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2012 M3 e92  [0.00]
I'm about to start this expirement.

I currently have Borla ATAK with test pipes. It sounds great 90% of the time, but it's a bit too rowdy when really getting on the gas.

I recently purchased a used Corsa, and a used x-pipe with quad resantors to give me options to tune the sound to my opinion of perfection.

I am going to start with just replacing the muffler, and running the Corsa with the stock x-pipe w/test pipes.

If that's still too rowdy high in the RPMs, I will add GESI cats to the after market x-pipe and try that out.

Will report back in a week or two with how the COrsa compared to Borla, and how I like the Corsa with Test Pipes. I have a feeling that combo will be perfect.
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