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      04-15-2019, 08:32 PM   #3
Biginboca
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Drives: 2009 E92 328i 6MT
Join Date: Jun 2017
Location: Boynton Beach, FL... USA

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If you are going to be running all stock and just doing a muffler swap then I would go with something cheaper like Rick recommends above. The main benefit of the AA is the anti drone resonance chamber which is vital when you start deleting cats with headers, secondary cats with test pipes, resonator deletes, etc.

The AA design kills the drone from those performance mods. Since you won’t have any drone issues with the set up you describe I don’t think you need such a fancy muffler.

I have the AA muffler btw and love it, and I would not trade it for any other muffler or exhaust system. But I’m fully cat deleted and running headers so I feel like I need it’s features to keep my exhaust system drone under control. This is what my set up sounds like:


Last edited by Biginboca; 04-15-2019 at 08:42 PM..
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