I replaced stock exhaust with two brothers slip on exhaust. Great sound, but seems like the bike is a little sluggish. Does that sound typical? Granted is not dyno tested, just "feels" a little sluggish. It came with a "juice box", but have not yet installed it. I am new to sports bikes (26years riding Harleys), so I may just be getting used to the power. With that being said the bike is new (2008) and is in the break in period so I haven't taken the bike over 5K RPMs as of yet (400mi). Thanks a lot.
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