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Bolt-On Onboard Air & Train Horn System for Heavy Duty Diesel Trucks

Introducing the newest bolt-on kits from Kleinn, built specifically for 2014-2015 2500HD & 3500HD diesel GM trucks. Basic hand tools are all you’ll need to install your own 100% bolt-on, and 100% duty cycle onboard air system that features an HDKIT-230 or HDKIT-234 triple ABS train horn, HDKIT-630 or HDKIT-634 triple chrome train horn, or make it insane with an HDKIT-730 of HDKIT-734 Demon™ triple steel train horn.  – All without drilling or making any modifications. Everything needed comes in one box for a professional & flawless installation.

Special Note:  This product is not compatible with vehicles that have power/retractable steps.   Fixed location steps that use the factory mounting brackets are OK.

HDKIT-230

HDKIT-230 The Beast™ Triple ABS Train Horns

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HDKIT-234

HDKIT-234 The Beast™ Triple ABS Train Horns (with high output compressor!)

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HDKIT-630

HDKIT-630 Triple Chrome Train Horns

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HDKIT-634

HDKIT-634 Triple Chrome Train Horns (with high output compressor!)

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HDKIT-730

HDKIT-730 The Demon™ Triple Steel Train Horns

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HDKIT-734

HDKIT-734 The Demon™ Triple Steel Train Horns (with high output compressor!)

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Onboard Air System Kits

HDOBA-6350

100% duty cycle onboard air system, perfect for airbags!

HDOBA-6450

100% duty cycle onboard air system, perfect for airbags!
(with high output compressor)

All Kleinn Bolt-On HD Kits Feature:

  • 100% Bolt-on Installation
  • Everything mounts under the truck – no lost storage space!
  • All steel air tanks are manufactured to SAE J10 & FMVSS 121 standards and are made in the USA!
  • Vehicle-specific brackets for the air system and train horn = no drilling, welding or modifications
  • All fittings, air lines & hardware are included
  • Custom-fit wiring included
  • Kleinn Air Horn Juice Thread Sealant
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Tire Inflator Kit

All HD Kits and Onboard Air Systems are equipped with a deluxe tire inflation kit.