A complete Demon 730 train horn and onboard air system engineered specifically for the 2020-2026 Silverado & Sierra 2500HD/3500HD. Vehicle-specific brackets mean it bolts on with hand tools. Driven by the Model 6450RC compressor at 150 (200) PSI with a 2.6 gal tank.
Key Features
- Model 730 Horn
- Model 6450RC Air Compressor
- Model 6353RT Air Tank
- Three Trumpets. 18.25", 14.75", 10"
- Air Compressor Max PSI: 150 (200)
- Air Tank Capacity: 2.6 gal
- Trumpet lengths: 3- 18.25 / 14.25 / 11 (3.5" Base)
- XCR2.0 Coated Stainless Steel
- 100% duty cycle compressor
Fits
2020-2026 Silverado, Sierra 2500, 3500HD (Running boards that use 4 mounts would require removal of 1 mount)
Specifications
| Part Number |
GMHD20-734 |
| Horn Model |
730 |
| Compressor Model |
6450RC |
| Air Tank Model |
6353RT |
| Trumpet Lengths (in) |
3- 18.25 / 14.25 / 11 (3.5" Base) |
| Horn Construction |
XCR2.0 Coated Stainless Steel |
| Assembled Horn Dimensions (in) |
21.75 x 18.25 x 7.5 |
| Horn Solenoid |
VX6003 |
| Pressure Switch |
2151 |
| Compressor Max PSI |
150 (200) |
| Compressor Duty Cycle |
100% |
| Compressor CFM |
2.11 |
| Compressor Waterproof |
Yes |
| Compressor Amp Draw |
23 A |
| Air Tank Capacity |
2.6 gal |
| Air Tank Dimensions (in) |
22 x 6 x 6.5 |
| Color |
Black |
| Estimated Installation Time |
6-12 Hours |
| Mounting Location |
Horns:(2) Inside cavity of bedside steps, (1) between fuel tank and exhaust system. Tank: Mid driver side frame rail. Compressor:Mid Passenger side frame rail |
| Shipping Weight |
63 lbs |
| Warranty |
12 Months |
| UPC |
819147013039 |
| Country of Origin |
China / Mexico |
Video
Watch the GMHD20-734 in action
Part Number: GMHD20-734
⚠ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
