Onboard Air System with 6450RC Compressor and 730 Train Horn (GMHD-734) by Kleinn. Kleinn waterproof air compressor and 3-gallon air tank mounted on a custom, Made in the USA, mounting bracket. Using basic hand tools, anyone can install their own onboard air system all without drilling a single hole! Everything needed comes in one box for a professional flawless installation.

Fitment
| Years | Make | Model | Drive | Engine |
|---|---|---|---|---|
| 2007-2010 | Chevrolet | Silverado 2500 | ||
| 2007-2010 | Chevrolet | Silverado 3500 | ||
| 2011-2019 | Chevrolet | Silverado 2500 HD | ||
| 2011-2019 | Chevrolet | Silverado 3500 HD | ||
| 2007-2010 | GMC | Sierra 2500 | ||
| 2007-2010 | GMC | Sierra 3500 | ||
| 2011-2019 | GMC | Sierra 2500 HD | ||
| 2011-2019 | GMC | Sierra 3500 HD |
Features
- Features Model 730 triple spun steel black train horn
- 3.0 gallon US made air tank, all steel construction, Cortec internally coated against corrosion
- 150 PSI rated system with 6450RC air compressor
Components
- Model 6450RC 150 PSI High Output Waterproof Air Compressor
- Model 730 Demon Triple Train Horn Produces 157.8 Decibels
- 3-gallon All Steel Air Tank is Manufactured in the USA!
- Tire Inflator with Locking Air Chuck and Storage Bag Included
- Kleinn Juice-1 Thread Sealant
- Vehicle-Specific Brackets for Easy Installation
Quick Specs
- Train Horn And Onboard Air System w/Horn
- Incl. Model 730 Black Spun Steel Triple Train Horn
- 6350RC Air Compressor
- Part Number : GMHD-734
Important Notes
- The kit can be upgraded with the P/N 6890 Ultra Blastmaster Valve Upgrade to make the horns even louder.
Kleinn GMHD-734 Onboard Air System with 6450RC Compressor and 730 Train Horn
2007-2010 Chevrolet/GMC Silverado/Sierra 2500/3500/2011-2019 Chevrolet/GMC Silverado/Sierra 2500 HD/3500 HD
2007-2010 Chevrolet/GMC Silverado/Sierra 2500/3500/2011-2019 Chevrolet/GMC Silverado/Sierra 2500 HD/3500 HD
- SKU : KLN-GMHD-734
- Part Number : GMHD-734
$1,479.95
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Please note the ship times are estimates however we have seen a major improvement in overall supply chain issues in recent weeks.

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