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The Kleinn train horn and onboard air system for 2007–2019 Chevrolet Silverado 2500HD and 3500HD delivers a bolt‑on, vehicle‑specific installation with no cutting or drilling. The GMHD-734 features the Demon model 730 triple train horn, a 6450RC 150 PSI waterproof high‑output compressor, powder‑coated 3‑gallon tank, remote quick‑connect inflator with storage bag and all required air line, wiring and hardware for a professional fitment; an Ultra BlastMaster valve upgrade is offered to boost volume.
Kleinn 07-19 Chevrolet Silverado 2500 HD/ 3500 HD Onboard Air System w/ Model 730 Horns
