From what I see on these:
2001
http://fiche.ronayers.com/Index.cfm/...roup/Muffler(s)
And
2002
http://fiche.ronayers.com/Index.cfm/...up/Muffler(s)#
There is no difference for the bolt up.
And the head pipes are the same stock no also.
Id go for it Bro.