Kleinn Air Horns Add to Cart Kleinn Dual Black Horn Kit w/ 120 PSI Air Compressor / 0.5 gal Air Tank - HK2-1 MSRP: $441.94 Was: Now: $339.95 ProBlaster black dual truck air horns with all-metal trumpets 16.75 in. and 14.5 in. in length. Thin…