Wolo (719) Big Bad Max Chrome Air Horn - 12 Volt Powerful truck horn sound with a beautiful bright chrome finish If you want the touch of class added to your motorcycle or engine compartment go no further, Big Bad Max Chrome is the horn for you The diaphragm and compressor both have chrome covers that are aerodynamically shaped The one-piece patented design requires no hoses like conventional air horns Easily installs with one bolt that is provided, transfer the factory horn wires to Maxs compressor and the installation is complete