Kleinn Horns GMHD20-734 Direct Fit Train Horn and Onboard Air System for 2020-2024 GM HD Trucks

The Kleinn Horns GMHD20-734 is a complete direct-fit train horn and onboard air system engineered specifically for 2020-2024 GM 2500HD and 3500HD trucks. This comprehensive kit combines the powerful Model 730 train horn system with an integrated onboard air supply, providing both attention-grabbing sound and practical compressed air functionality.

Key Features:

• Direct bolt-on installation designed specifically for 2020-2024 GM 2500HD/3500HD platforms
• Model 730 train horn delivers authentic locomotive sound with commanding presence
• Integrated onboard air system provides compressed air for horns and auxiliary applications
• Complete kit includes horns, air compressor, air tank, mounting hardware, and wiring
• Vehicle-specific mounting brackets eliminate custom fabrication
• Dual-purpose system allows use of compressed air for tire inflation, air tools, and more
• Professional-grade components built for durability and reliable performance

This system transforms your heavy-duty GM truck with both safety-enhancing audible warning capability and the convenience of portable compressed air. The direct-fit design ensures clean integration with your truck's existing structure, while the Model 730 horns provide the distinctive train horn sound that Kleinn is known for. Perfect for work trucks, tow rigs, and enthusiasts who demand both function and presence on the road.