The Kleinn 220 train horn add-on for 2018–2022 Jeep Wrangler JL/JLU produces 154.2 dB at 150 PSI and is supplied as a bolt-on kit for use with an onboard air source. When installed using the factory horn button it requires no drilling or cutting. The kit is intended for use with a Kleinn onboard system or any other system that provides the necessary air pressure and a minimum 1-gallon tank.
Kleinn 18-26 Jeep Wrangler JLU Model 220 Horns