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Old 05-28-2011, 10:41 AM
oldtimer54 oldtimer54 is offline
Motorized Bicycle Elite Member
Join Date: May 2010
Location: On a bike
Posts: 539
Default Re: Well I just had to say this and see if anyone else has experienced this

Well Ive run stock and two diffrent expansion chambers and both gave my engines much more bottom end over stock. I tuned the SBP expansion chamber for max bottom end torque and it did give my bike the most hill climbing power over any of the other pipes. Now that said Iam at over 8000 feet so that might change a thing or two lol.
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