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View Full Version : What is the best muffler / pipe for an OS-50sx hyper?

blue_collar2
09-17-2006, 08:52 PM
I'm looking for good power and mileage...
Kinger
09-17-2006, 10:16 PM
Personally, I vote for the JK Hatori if you have the cash to spend on it. Second place would be the MP2.