Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
Exhaust bracket mounting is different between those two. They make short shots for the 1999 but the range of fitment is 1999-2000 DYNA, 1987-1994 DYNA. The 2008 dyna range of fitment is 2006-2011.