At 150 PSI, the Shocker horns are simply ridiculous!
Powerful, insanely loud, and all in a compact kit: The Conductor's Special 244 Nightmare Edition delivers the performance you need!. approved airline;6 ft of 3/8 air line (for intake);18 ft of 12 gauge power wire;1/2 NPT electric solenoid valve;HornBlasters 200 PSI air gauge;Brass NPT fittings kit including safety valve and blow-off;Wiring, plumbing kit, mounting hardware, detailed instructions;Use this product in a safe and responsible manner, minimum distance of 100 ft from others;California Residents: WARNING HornBlasters Conductor's Special 244 Nightmare Edition Train Horn Kit (Black) - HK-S4-244K The horns are hand-tuned in the USA to the government mandated train signal chord. This is the best 150 PSI compact train horn kit currently available.Simply put, they sound completely authentic this edition also features a stealth black finish on the 444C.