batman
Serious Thumper
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SuzukiSavage.com Rocks!
Posts: 3806
osceola new york
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Dave ,no it's not your friend if your not running a good muffler,my point exactly ! noise = bad performance most of the time,and makes it hard to jet the carb.but reversion can be your friend and enhance VE (volumetric efficiency) as I said above. We have mid range sag not because of the exhaust but do to the factory jetting in our stock carbs ,which is why the white spacer mod to lift the jet needle is so effective . Higher VE allows a better fuel charge into the cylinder which gives better hp/torque.
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