Rivco Magnum Dual-Tone Electric Horn Kit For Harley The Rivco Magnum Dual-Tone Kit delivers an impressive 118 decibels of sound to ensure visibility through audibility. Strategically engineered for easy integration, it seamlessly connects to your existing stock button for instant heightened awareness on the road with a simple push. Features: Plug-n-play design uses factory horn switch Features an output of 118 db Mounting bracket and all necessary wiring included Easy to follow instructions