Quote:
Originally Posted by RandallNeighbour
BTW, I'm learning that all twin chamber mufflers create the resonance issues I have now.
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Interesting point. The 987 model OEM units use double can muffler's too, however, and they don't have resonance, and the Dansk sausage type muffler and B&B muffler, while single can, still also produce resonance. I'm thinking that maybe it's not to do with the number of chambers, but the design of the interior baffles, that determines the level of resonance.