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Kleinn bolt-on GM1500 train horn system for 2007–2013 Chevrolet Silverado and Sierra pairs a Model 230 triple train horn with a 150 PSI onboard air system and a custom Made-in-USA mounting bracket for no-drill installation. The kit supplies inflator, gauge and hardware for a complete fit; it can be upgraded with Kleinn P/N 6885 Blastmaster Plus valve to increase horn output.
Kleinn 07-13 Chevrolet Silverado/ Sierra Onboard Air System w/ Model 230 Horns
