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Quietest setup for headers and PE muffler
I feel like this has been discussed before but I'm having a hard time sifting through all the data.
What can I stick between headers and the PE muffler that would keep the overall exhaust volume level near the stock manifold / full PE combo level?
Should I consider going to the AA muffler if I'm trying to keep the system as quiet as possible?
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'15 F30 335i 8AT Estoril II/Black (12.218 @ 114.94mph)
MHD Stage 2+ 93 / XHP Stage 3 / M-Goodies / K&N Filter / ER CP / CSF IC / NGK 97506 / ER DP / Michelin A/S 3+
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