The GMTRK4XTREME Onboard Air System with Model 220 Train Horn is 100% Bolt-On and features a high output Kleinn waterproof air compressor with 1.5-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! Includes a quick connect tire inflator with remote mount and storage bag. Everything needed comes in one box for a professional & flawless installation. The system is capable of inflating large tires, powering air bags and operating small air tools. For added fun get part number 333 Sniper wireless remote horn button. Honk your Kleinn Air Horns from up to 200 feet away. Too Loud, Too Bad!
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2024 | Chevrolet | Silverado 1500 | Custom |
| 2019-2021 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2024 | Chevrolet | Silverado 1500 | High Country |
| 2019-2024 | Chevrolet | Silverado 1500 | LT |
| 2019-2021 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2024 | Chevrolet | Silverado 1500 | LTZ |
| 2023-2024 | Chevrolet | Silverado 1500 | PPV |
| 2019-2024 | Chevrolet | Silverado 1500 | RST |
| 2019-2021 | Chevrolet | Silverado 1500 | SSV |
| 2019-2024 | Chevrolet | Silverado 1500 | WT |
| 2022-2024 | Chevrolet | Silverado 1500 | ZR2 |
| 2022-2024 | GMC | Sierra 1500 | AT4 |
| 2022-2024 | GMC | Sierra 1500 | AT4X |
| 2019-2021 | GMC | Sierra 1500 | Base |
| 2019-2021 | GMC | Sierra 1500 | Denali |
| 2019-2024 | GMC | Sierra 1500 | Elevation |
| 2022-2024 | GMC | Sierra 1500 | Pro |
| 2019-2024 | GMC | Sierra 1500 | SLE |
| 2019-2024 | GMC | Sierra 1500 | SLT |
Most items ship directly from authorized distributors. Lead times vary by brand and availability.
Returns are permitted within 30 days of receiving your order under specific conditions. For more information, view our Return & Refund Policy
Professional installation available at our Metro Atlanta facility. Contact us to schedule your build.

