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  #11  
Old 19th February 2019
Segway's Avatar
Segway Segway is offline
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Sportster/Buell Model: XL1200C
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Thanks, Aaron or possibly Dan(I'm not sure which one you are, sorry), for explaining that so in depth. I knew that the power band could be manipulated with tubing diameter and length but I didn't realize to what extent. Now I want to dig into exhaust science that much more. Do have any suggested literature? Oh and also does anyone know if the defender starts with 15/8 or 13/4? I'd like to try to replicate it's performance as closely as possible.
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