I found this while researching, but where does it mention anything about no packing in the muffler? Throug my limited research, packing the muffler is almost integral to performance due to back pressure needed at the head.
My system was installed on bike already when I purchased from previous owner. Did you install your system?
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" If you're here to show off and prove that your crotch rocket is faster than my Harley, you can leave now. "
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