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.
I know they do, but I think "large" is supposed to be the point. I guess either you get it or you don't. I do, but don't want it. But big honkin' loud horns can definitely come in handy at times.
Gilly
from their site: These air horns are available in "long" or "short" trumpet length versions. We recommend the short version for Ultra Classics with lowers and for bikes with a large amount of vibration, such as bikes with radical cams installed.