Quote:
Originally Posted by Henry Schmidt
Historically the M&K sport mufflers have had a terrible harmonic at 5000 and a cost of about 15hp throughout the range.
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Anyone have a graph of that? I have not seen one, and "historically" is a loaded term, as it is known that M&Ks have gone through iterations to address "issues" such as drone. Maybe Brian will weigh in. (I am not an M&K shill, but stating -15hp across the range necessitates some documentation. I'd rather not spend the $700+ if that is a fact).