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All of my bikes have aftermarket exhaust. Between jetting and fuel injection maps and baffles and such, I thought (maybe) it was time to have just one bone stock.
So - how many of you out there have stayed with the factory exhaust?
Does it help or hurt fuel economy?
If I stay with the factory exhaust, is there anything else that I should be doing? K&N filter maybe, or AI removal?
Someone tell me what a Speedmaster sounds like with drag pipes
:hihi:
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