Waterproof dual-trumpet air horns replace stock horn and give a loud warning blast of 128 dB. Include horn assembly, air compressor, relay, simple wiring, cone-shaped dust/bug covers and complete installation instructions. Air compressor creates instant air pressure to the horns and mounts either under the seat, behind right side cover or down tube of frame (mounting position varies per model). Will fit with Harley-Davidson® lowers. Use the stock horn button; bolt-on, plug-in installation. Made in the U.S.A..
