Chrome DUAL Trumpets 135db Air Horn Kit w/12v H.D. Compressor Plug-n-Blow Perfect for small areas Super Loud 135db DUAL Chrome Trumpets Air Horn Kit Heavy Duty Compressor-Works on any 12 volt system Chrome non-rusting Trumpets & Mounts Can't Beat this deal-This Dual Tone is ear piercing!! Brand New in the Box-Includes Relay & Install Instructions