Air Horn Kit Compact Dual Horn; Zinc Alloy Metal Body w/Chrome Plated Trumpets; 16 3/4 in./14 1/2 in. L; Vortex 4 12V Elect. Air Horn Solenoid; 153.5 dB Max. Output; FEATURES: Dual Air Horns; 16.75 in. And 14.5 in Long Trumpets For Deeper Truck Horn Sound All Chrome Body With Chrome Plated Spun Copper Trumpets Vortex 4 12V Electronic Air Horn Solenoid Included Up To 153.5 db Output This Air Horn Is The Complete Package Dual chrome truck horn, two chrome all metal trumpets 16.75 inches and 14.5 inches in length. Think fire truck or ambulance air horn but LOUDER! Our compact air horns can fit in almost any vehicle and deliver the big sound you need. Easy to fit, glistening chrome finish and extreme truck horn sound; this air horn is the complete package. Kleinn automotive air horns offers complete air horn kits, train horns, roof mount truck horns, air systems kit accessories and off road lift kits.