$64.99 Viking Horns V103C-6-12/311-1B Super Loud 170 Decibels Black 3 Trumpet Train Air Horn System 
Amazon.com: Viking Horns V103C-6-12/311-1 Loud 170 Decibels 3 Trumpet Train Air Horn System With 
Viking Horns | Loud 162 dB | 4 Trumpet Train Air Horn Kit | 200 PSI Compressor | 5 Gallon air 
