Infamous Upgrade kit at the factory begin in nov 2007 for a 2008
2008 2009 are the same I think
2010 have 20 more pound feet of tork
Upgrade clutch
Upgrade drive shaft
Only 2 pipes
Gear number Selection
Fuel Gage
ABS
Foot peg 4 inch back-up (I'm Pretty sure the hole Touring footboard...