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The Kleinn bolt‑on onboard air and train horn package for 2019–2021 Chevrolet Silverado and GMC Sierra pairs a model 220 dual horn with a high‑output waterproof compressor and a 1.5‑gallon air tank on a custom Made‑in‑USA mounting bracket for a no‑drill install. The kit includes a remote quick‑connect tire inflator with storage bag and everything needed for a tidy installation; it can inflate large tires, power airbags and run small air tools.
Kleinn 19-21 Chevrolet Silverado/ Sierra Onboard Air System w/ Model 220 Horns
