The Kleinn onboard air system with Model 730 horns for 2023–2024 Ford F-250, F-350 and F-450 delivers a vehicle-specific, bolt-on pneumatic horn and onboard air capability. Kleinn is a U.S. maker of air horns, train horns and complete onboard air systems; this package follows their 100% bolt-on approach and integrates with 12- or 24-volt compressors, tanks and pneumatic accessories.
Kleinn 23-26 Ford F-250/ F-350/ F-450 Onboard Air System w/ Model 730 Horns