The Rhino Horn Black 3-Liter Horn Kit offers a complete and powerful air horn solution for vehicles seeking maximum impact. It includes a tri-tone train horn, a 3-liter air compressor and tank combo, wiring kit, and all necessary fittings for installation. Designed for performance, the system operates around 110 PSI and delivers a loud, attention-grabbing sound. Its heavy-duty constru... https://hornblasters.com/products/rhino-horn-black-3-liter-horn-kit