Kleinn Chrome Roof Mount Single Horn/ 21.5In - Chrome-Plated Spun Copper

If you're the King of the Road? Why not sound like it Ditch your puny, not-so-manly horns for a big ass 25 in. Roof Mounted monster. Roof Mount Air Horn Fittings Kit required for installation (P/N 330). Manual valve or electric solenoid valve not included.