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Old 03-14-2010, 05:45 PM   #17
bmwrench
Beastly Adventurer
 
Joined: Nov 2006
Oddometer: 2,037
I did the hole saw trick a lot "back in the day". It does seem to offer a bit more power, and since Udo Gietl suggested it to me...It's not a lot louder, really, just a little throatier.

I backed away from doing it when an older muffler started to come apart on me. That, and most of the guys who wanted fast bikes had moved on.
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