Outlaw Train Horn Kit

Nicholas’s truck is running the Outlaw Train Horn Kit (HK-C3-228H), which pairs a three-chime metal Outlaw train horn with the HornBlasters 228H 2-gallon 150 PSI air source unit. It’s a complete package that fits cleanly under full-size trucks like the F-150.

Yes. The Outlaw kit is a popular choice for mid- and full-size pickups. On this 2017 F-150, Nicholas mounted the system behind the rear axle under the truck — a layout that works well when you want real locomotive tone without using the bed or spare-tire well.

The Outlaw uses three real metal train-horn bells built for authentic locomotive sound. On a truck like Nicholas’s F-150, it’s many times louder than the factory horn and very noticeable in highway traffic or noisy environments.

The 2-gallon 150 PSI air source typically gives about 5–6 seconds of continuous honk, then refills from about 110 PSI back to 150 PSI in roughly 55 seconds (±5 sec). A pressure switch controls the compressor automatically during normal use.

The kit includes the Outlaw three-chime metal train horn, HornBlasters 228H 2-gallon air source, air valve, 1/2″ airline, wiring, switch, mounting hardware, earplugs, and instructions — designed as a complete package so you don’t have to hunt down extra parts for your install.