Get ready to make a loud and powerful statement with the Four Metal Trumpets Air Horn. These chrome plated metal trumpets can produce a sound that reaches up to 149 decibels. Perfect for use in your Car, Truck, SUV, RV, Boat, or Pick-Up. The package includes a 12 volt electric valve (solenoid), mounting hardware, 1/4" OD high pressure hose, and installation instructions for easy set up.

Trumpet Sizes: 13-3/4", 11-1/2", 9-1/4", 7-3/4" with 3-3/4" front diameter each.

Sound Level: 149 dB 

REQUIRES AN ON BOARD AIR SYSTEM TO OPERATE (which consists of air compressor and air tank)