$66.99 Buy Viking Horns V101C-5/003A Four Trumpet Train Sound 149 Decibels Air Horn Kit, With 150 PSI 
Viking Horns V101C-5/212 SINGLE TRUMPET LOUD 152 DECIBELS AIR HORN KIT WITH FIRE ENGINE 
Viking Horns V101C Heavy-Duty 150 PSI Air Compressor For Train Horns | eBay
