With Wolo Big Bad Max horns, you get a big horn sound without the high-dollar price tag! Big Bad Max horns are the perfect choice for all 12 V vehicles - cars, trucks, motorcycles, and more. With their one-piece patented design, which requires no hoses (unlike conventional air horns), Big Bad Max horns easily install with one bolt, which is provided. Transfer your vehicle`s factory horn wires to the Big Bad Max`s heavy-duty, maintenance-free compressor, and the install is complete. Available in black or chrome, with Big Bad Max horns, they`ll hear you before they can see you!