Air Horn Kit Train Horn And Onboard Air System w/Horn; Veloci-Raptor 100 Percent Bolt On/The Demon Model 730 Train Horns/150 PSI/3.0 Gal. Air Tank/Model Specific Bracket/Tire Inflation Kit; FEATURES: Upgrade To Be Even Louder By Adding PN6890 Features Model 730 Triple Spun Steel Black Train Horn 150 PSI Rated System All Kleinn HDKITs feature a 100% duty cycle air compressor, three gallon air tanks and vehicle-specific brackets to allow a 100% bolt-on installation on your truck. Everything you need to install a completely capable onboard air system with our largest and most popular train horns comes in one box. No cutting, welding or drilling is required. Custom fit, powder-coated brackets are made in the USA. All Systems also feature all-steel air tanks that are also proudly made in the USA! All HDKITs can be upgraded with our BlastMaster(TM) or Ultra BlastMaster(TM) Valve Upgrade Kits. Note; Not for use with power side steps. Kleinn automotive air horns offers complete air horn kits, train horns, roof mount truck horns, air systems kit accessories and off road lift kits.