RCU Forums - View Single Post - Building and tuning, Bud Bottle Mufflers.
Old 05-05-2008 | 08:33 AM
  #25  
altavillan
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Default RE: Building and tuning, Bud Bottle Mufflers.

Acording to Pat. 5 to 1 is a good starting point. So if you have a 2 cubic inch engine you need a 10 cubic inch cann. Header length is much more important than cann size.