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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Is CY MP690 pipe a good match on OS91hz engine?
04-04-2010 04:34 PM  10 years ago
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sonny1526

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USA

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Is CY MP690 pipe a good match on OS91hz engine?
Does the MP690 pipe give out good low and high end performance range? Does it have nice sweet sound to it like the MP550 pipe? The problem with the MP550 pipe is that it lacks tunability on the low end. I wonder if it is the same with the Mp690 pipe.
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Is CY MP690 pipe a good match on OS91hz engine?
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