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08-22-2015, 06:08 AM | #23 | |
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Last edited by tadmcmichael; 08-22-2015 at 06:26 AM.. |
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08-24-2015, 09:57 PM | #24 | |
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Helmholtz chambers length must be tuned for the sound output. Once the muffler is modded, the factory chambers DO NOTHING AT ALL. |
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08-25-2015, 12:48 AM | #25 | |
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The OEM mod has stockish level of drone with an increase in volume. I think the helmholtz chambers, which are untouched in the oem mod, are still working. |
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