Kleinn Onboard Air System w/ Model 730 Horns — Fits 2007-2019 Chevrolet Silverado/GMC Sierra 2500HD 3500HD

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SKU: KLEGMHD-734
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Kleinn Air Horns

Kleinn Air Horns engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kleinn Air Horns lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Kleinn Onboard Air System with Demon Model 730 Horns for 2007-2019 GM HD Trucks

Equip your 2007-2019 Chevrolet Silverado 2500 HD/3500 HD or GMC Sierra 2500 HD/3500 HD with the ultimate Kleinn Onboard Air System, featuring the commanding Demon Model 730 train horns. This comprehensive, 100% bolt-on system is designed for a direct-fit installation, eliminating the need for cutting, welding, or drilling. It provides both an essential onboard air supply and the most aggressive train horn sound on the market, enhancing both utility and presence for your heavy-duty truck.

Complete System Features:

  • Demon Model 730 Train Horn: Includes the iconic Model 730 spun steel trumpets, delivering an incredibly loud and distinctive train horn blast.
  • High-Output Air Compressor: Features the 6450RC 150 PSI waterproof air compressor, ensuring reliable and efficient air delivery.
  • 3-Gallon Air Tank: A powder-coated steel 3-gallon air tank provides ample air storage for various applications.
  • Remote Tire Inflator: Comes with a remote mount quick connect tire inflator and storage bag, offering convenient access to compressed air for tires or other tools.
  • Easy Installation: Vehicle-specific mounting brackets and all necessary air line, wiring, and hardware are included for a professional and straightforward installation.
  • Upgradeable: Horns can be made even louder with the optional P/N 6890 Ultra BlastMaster Valve Upgrade Kit.

The Kleinn GMHD-734 system is the perfect upgrade for GM HD truck owners seeking superior onboard air capabilities and an unmistakable horn sound. Discover this powerful system at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2007-2019 Chevrolet Silverado 2500 HD LT
2007-2019 Chevrolet Silverado 2500 HD LTZ
2007-2019 Chevrolet Silverado 2500 HD WT
2015-2019 Chevrolet Silverado 2500 HD High Country
2007-2019 Chevrolet Silverado 3500 HD LTZ
2007-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2007-2019 GMC Sierra 2500 HD SLE
2007-2019 GMC Sierra 2500 HD SLT
2011-2019 GMC Sierra 2500 HD Denali
2015-2019 GMC Sierra 2500 HD Base
2007-2014 GMC Sierra 3500 HD WT
2007-2020 GMC Sierra 3500 HD SLE
2007-2020 GMC Sierra 3500 HD SLT
2011-2020 GMC Sierra 3500 HD Denali
2015-2020 GMC Sierra 3500 HD Base
2020 GMC Sierra 3500 HD AT4

Product Details

Product Description
Part Numbers
Sizing & Fit

About Kleinn Air Horns

Kleinn Air Horns engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kleinn Air Horns lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Kleinn Onboard Air System with Demon Model 730 Horns for 2007-2019 GM HD Trucks

Equip your 2007-2019 Chevrolet Silverado 2500 HD/3500 HD or GMC Sierra 2500 HD/3500 HD with the ultimate Kleinn Onboard Air System, featuring the commanding Demon Model 730 train horns. This comprehensive, 100% bolt-on system is designed for a direct-fit installation, eliminating the need for cutting, welding, or drilling. It provides both an essential onboard air supply and the most aggressive train horn sound on the market, enhancing both utility and presence for your heavy-duty truck.

Complete System Features:

  • Demon Model 730 Train Horn: Includes the iconic Model 730 spun steel trumpets, delivering an incredibly loud and distinctive train horn blast.
  • High-Output Air Compressor: Features the 6450RC 150 PSI waterproof air compressor, ensuring reliable and efficient air delivery.
  • 3-Gallon Air Tank: A powder-coated steel 3-gallon air tank provides ample air storage for various applications.
  • Remote Tire Inflator: Comes with a remote mount quick connect tire inflator and storage bag, offering convenient access to compressed air for tires or other tools.
  • Easy Installation: Vehicle-specific mounting brackets and all necessary air line, wiring, and hardware are included for a professional and straightforward installation.
  • Upgradeable: Horns can be made even louder with the optional P/N 6890 Ultra BlastMaster Valve Upgrade Kit.

The Kleinn GMHD-734 system is the perfect upgrade for GM HD truck owners seeking superior onboard air capabilities and an unmistakable horn sound. Discover this powerful system at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2007-2019 Chevrolet Silverado 2500 HD LT
2007-2019 Chevrolet Silverado 2500 HD LTZ
2007-2019 Chevrolet Silverado 2500 HD WT
2015-2019 Chevrolet Silverado 2500 HD High Country
2007-2019 Chevrolet Silverado 3500 HD LTZ
2007-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2007-2019 GMC Sierra 2500 HD SLE
2007-2019 GMC Sierra 2500 HD SLT
2011-2019 GMC Sierra 2500 HD Denali
2015-2019 GMC Sierra 2500 HD Base
2007-2014 GMC Sierra 3500 HD WT
2007-2020 GMC Sierra 3500 HD SLE
2007-2020 GMC Sierra 3500 HD SLT
2011-2020 GMC Sierra 3500 HD Denali
2015-2020 GMC Sierra 3500 HD Base
2020 GMC Sierra 3500 HD AT4

Product Details

Product Description

About Kleinn Air Horns

Kleinn Air Horns engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kleinn Air Horns lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Kleinn Onboard Air System with Demon Model 730 Horns for 2007-2019 GM HD Trucks

Equip your 2007-2019 Chevrolet Silverado 2500 HD/3500 HD or GMC Sierra 2500 HD/3500 HD with the ultimate Kleinn Onboard Air System, featuring the commanding Demon Model 730 train horns. This comprehensive, 100% bolt-on system is designed for a direct-fit installation, eliminating the need for cutting, welding, or drilling. It provides both an essential onboard air supply and the most aggressive train horn sound on the market, enhancing both utility and presence for your heavy-duty truck.

Complete System Features:

  • Demon Model 730 Train Horn: Includes the iconic Model 730 spun steel trumpets, delivering an incredibly loud and distinctive train horn blast.
  • High-Output Air Compressor: Features the 6450RC 150 PSI waterproof air compressor, ensuring reliable and efficient air delivery.
  • 3-Gallon Air Tank: A powder-coated steel 3-gallon air tank provides ample air storage for various applications.
  • Remote Tire Inflator: Comes with a remote mount quick connect tire inflator and storage bag, offering convenient access to compressed air for tires or other tools.
  • Easy Installation: Vehicle-specific mounting brackets and all necessary air line, wiring, and hardware are included for a professional and straightforward installation.
  • Upgradeable: Horns can be made even louder with the optional P/N 6890 Ultra BlastMaster Valve Upgrade Kit.

The Kleinn GMHD-734 system is the perfect upgrade for GM HD truck owners seeking superior onboard air capabilities and an unmistakable horn sound. Discover this powerful system at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2007-2019 Chevrolet Silverado 2500 HD LT
2007-2019 Chevrolet Silverado 2500 HD LTZ
2007-2019 Chevrolet Silverado 2500 HD WT
2015-2019 Chevrolet Silverado 2500 HD High Country
2007-2019 Chevrolet Silverado 3500 HD LTZ
2007-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2007-2019 GMC Sierra 2500 HD SLE
2007-2019 GMC Sierra 2500 HD SLT
2011-2019 GMC Sierra 2500 HD Denali
2015-2019 GMC Sierra 2500 HD Base
2007-2014 GMC Sierra 3500 HD WT
2007-2020 GMC Sierra 3500 HD SLE
2007-2020 GMC Sierra 3500 HD SLT
2011-2020 GMC Sierra 3500 HD Denali
2015-2020 GMC Sierra 3500 HD Base
2020 GMC Sierra 3500 HD AT4

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