Kleinn’s HK9-Slimline Triple Train Horn Kit is laid out on the workbench to make sure all the needed parts are present. The HK9-Slimline setup is universal and includes the Demon Model 730 ...

As a bonus, you can use the train horn system's air compressor to inflate your tires. Key specs: Loudness: 147.7 decibels; ... Don't use your air horns when you're close to someone.

The cost of parts, modification, rerouting of air lines and recertification of the horns is significant with no guarantee the modifitcation would mitigate the noise.

The HornBlasters Conductor’s Special Model 232 Train Horn Kit is an easy-to-install, ... DOT air line, and all the electrical parts needed to install it.