What about one of these?
Amazon.com: SUPER LOUD Stebel Nautilus Compact Twin Air Horn; Universal for Cars, Trucks, Boats, ATVS, Motorcycles and Scooters: Automotive
Was a bolt on replacement for the stock horn on my Honda Magna motorcycle. Very easy install. Not as dramatic as the one in the video, but definitely loud! Our horn does sound embarassingly puny.
Amazon.com: SUPER LOUD Stebel Nautilus Compact Twin Air Horn; Universal for Cars, Trucks, Boats, ATVS, Motorcycles and Scooters: Automotive
Was a bolt on replacement for the stock horn on my Honda Magna motorcycle. Very easy install. Not as dramatic as the one in the video, but definitely loud! Our horn does sound embarassingly puny.
