Air Horn Kit Compact Quad Horn; Zinc Alloy Metal Body w/Chrome Plated Trumpets; 13 in./11 in./8 1/2 in./7 in. L; Vortex 4 12V Elect. Air Horn Solenoid; 150.3 dB Max. Output; FEATURES: Four Trumpets; 13 in; 11 in; 8.5 in. And 7 in Loud Full Clean Sound All Metal Body With Chrome Plated Zinc Alloy Trumpets Vortex 4 12V Electronic Air Horn Solenoid Included Glistening Chrome Finish Extreme Sound These Loud Air Horns Are The Complete Package Want a train horn on your car but don't have the space? Our model 141 quad air horn delivers devastating sound with compact, easy to install construction. This air horn can fit in almost any vehicle and deliver the big time loud air horn sound you need. Easy to fit, glistening chrome finish and extreme sound; these loud air horns are 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.