The kit features a Nathan P5 Genuine Train Horn a 150 PSI 5 Gallon (18.9 Liter) air tank, and a ViAir 400C compressor. Designed for reliability and penetrating tone. This is the loudest most obnoxious train horn kit on the market. Kit Information: Commercial Locomotive grade horn 171.2 DB sound output Aluminum kettle-drum bells and dual-disk diaphragm Viair air supply Nathan P5 5 Gallon 7 Port Tank (34"L x 8"W) ViAir 400C Compressor ViAir 110/150PSI Pressure Switch Replacement Air Filters 20' of 1/2" D.O.T. Approved Airline Electric Valve/Solenoid All necessary fittings Detailed Installation Instructions Horn: Nathan AirChime K5LA (K5 Low Mount American Tune) Material: Cast Aluminum Length: 16.25"  Width: 29.75"  Height 9.25"  Weight: 26.75lbs  Port: 1/2" NPT Tank: Aluminum 5 Gallon Tank Length: 20.5”  Diameter: 9.5”  Compressor: Viair 400C Air Compressor

Professional Installation recommended.

This is simply the biggest and baddest Nathan train horn available on the market. This kit shatters glass, LITERALLY! Other train horns for trucks can't compare to this loud air horn on any level. This is a true locomotive air horn kit.

• 18.25" Real Commercial Locomotive Grade Horn
• 171.2 dBa Sound Output
• 5 Gallon 7 Port Viair Tank
• Viair 150 PSI Compressor
• King Of All Truck Air Horns
• Beats The Best Train Horns For Sale