RCU Forums - View Single Post - Top Flite B-25 ARF (Tecnical, tips, suggestions)
Old 12-11-2007, 06:03 PM
  #772  
bobbins
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Default RE: Top Flite B-25 ARF (Tecnical, tips, suggestions)

Has anyone out there tried running an OS 70 ultimate with flexible pipes instead of the mufflers supplied, if so does this have any detriment to power?