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Trying to find out if the 80721-09 slip ons are different flow wise left to right.
80721-09 is for 2009 and 80491-07 are for 2007 in the Parts and Accessories book.
Is it lilely that the the 09 pipes flow different because of the new style exhaust configuration?
Are they the same pipes just different part #'s for the different years?
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