Quote:
Originally Posted by p66
Harold, I have the Berk midpipes and Eisenmann race muffler. Pretty heavy drone between 1.8K - 2.3K rpm. Is the N55 midpipe more effective at reducing drone than the berk midpipe?
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Then the drone may be in the Eisenmann. Let's try different combos. Have you tried the stock mid pipe with the Eisenmann?