RIVCO PRODUCTS Air Horn Universal AHMULTIBK

Waterproof dual-trumpet air horns give a loud warning blast of 128 dB, Include horn assembly, air compressor, relay, simple wiring, cone-shaped dust/bug covers, mounting hardware and complete installation instructions, Air horns mount to the frame down tubes or engine guards; air compressor mounts to the frame behind a side cover or under seat, Use the stock horn button; bolt-on, plug-in installation