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AA high flow downpipe question
Hi all,
I recently installed an Active Autowerke high flow dp on my OG M2. I also have an MPE with a muffler delete. During the first few days of driving, my car sounded exactly as I had expected. It sounded more throaty and I could hear significantly more of the good noises inside the car. Now 2 weeks later, my car sounds muffled again. I'm simply not hearing the same tone and even sounds muffled despite high load. Just the dreaded drone between 3k-4k.
Perhaps it's me getting used to the noise?
Could someone maybe enlighten me *
(AA does hold their promise of no CEL and the product was built well, so no complaints there)
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