The Kleinn train horn and onboard air system for 2007–2019 Chevrolet Silverado 2500HD and 3500HD is a 100% bolt‑on, vehicle‑specific kit that installs without drilling. The GMHD-230 includes the Beast model 230 triple train horn, a 6350RC 150 PSI waterproof compressor, a powder‑coated 3‑gallon tank, remote quick‑connect tire inflator with storage bag and all lines, wiring and hardware for a clean installation; an optional BlastMaster valve upgrade is available to increase sound output.
Kleinn 07-19 Chevrolet Silverado 2500 HD/ 3500 HD Onboard Air System w/ Model 230 Horns