Rivco Dual Air Horns For Harley They say loud pipes saves lives but so does a loud horn, and you won't wake your neighbors when you start your bike up! The dual-tone of the trumpets cuts through traffic noise and gets you noticed when you need it the most. This 128 decibels air horn from Rivco is louder than the factory motorcycle horn that only produces 60-80 decibels. Features: Mounts to left side Design to uses the OEM button Bolt-on / plug-n-play kit comes with everything you need to install Easily installs with basic hand tools Durable chrome finish Completely waterproof Two year manufacture's warranty Dimensions 12 x 6 x 9