I'll post this here as it seems most appropriate, horn tests:
http://www.webbikeworld.com/motorcycle-horns/motorcycle-horn-comparison.htm
See how long it takes someone with a Stebel to post
Only kidding
http://www.webbikeworld.com/motorcycle-horns/motorcycle-horn-comparison.htm
See how long it takes someone with a Stebel to post
Only kidding