Description
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Product Description
3-Liter Air Source Kit
This compact air system is perfect for your car/SUV/truck. This unit is only 16.5″ long and 5″ wide. This can be installed in your toolbox, truck bed (if covered), trunk, or in a storage compartment.
*This air source is not weather resistant, do not mount outside or upside down!
Included Pressure Switch and Gauge
This air source operates at 110PSI. The included pressure switch turns the compressor on and off as needed. You don’t have to do this manually. The air gauge on the tank allows you to monitor the pressure within the system if desired.
Complete Wiring Kit
A complete wiring kit is included with this horn kit. You will receive a push button, toggle switch, 10-gauge wire, two rolls of 18-gauge wire, and all of the crimp connectors / fuses needed to install the kit from scratch. All you need is a wire stripper/cutter, and crimp tool.
Stainless Steel Internals
The Mini Outlaw is crafted with stainless steel diaphragms. This means that you can get the horns wet all year long without worrying about rust.
Compact All In One Air Source
Pre-installed Pressure Switch and Gauge
Complete All-in-One Wiring Kit
Durability you can trust
“Mini” Design for Easy Install
Other train horns on the market are designed to take up a lot of space underneath your vehicle. The Mini Outlaw is designed to save room without hanging down too low underneath your truck.
All of the necessary hardware you need to mount the horn to your vehicle is included.
True Train Horn Sound
The Mini Outlaw stands out with three small, but big sounding chimes.
Each chime produces a different pitch and when all 3 sound off at once, it creates the train horn sound we all know and love.
Pre-Installed Solenoid Valve
This horn features a pre-installed solenoid valve, ready to accept the 1/4″ line we supply with the horn.
Mini Outlaw Specifications
| Inlet Port Thread | 1/4″ BSPT |
| Inlet Tube Size | 1/4″ OD |
| Maximum Pressure | 150 PSI |
| Minimum Pressure | 50-60 PSI |
| Diaphragm Type | Stainless Steel |
| Voltage | 12 & 24v Compatible |
| Dimensions | Horn Length: 16.5″ (419.1mm) Horn Width: 14.5″ (368.3mm) Horn Height: 11″ (279.4mm) |
3-Liter Air Source Specifications
| Voltage | 12v Only |
| Outlet Port | 1/4″ OD Tube |
| Pressure Switch On/Off Range | 80 PSI ON, 110 PSI OFF |
| Weather Resistant? | No! Must be mounted UPRIGHT, in an ENCLOSED area! |
| Max Amp Draw @ 12VDC | 18 Amps |




CutRedWire –
Everything in the kit is high quality. Even thought it says “mini” the horns are larger than I anticipated which is my fault. Other people say this on website reviews so pay attention to this. The horn is very loud and sound like the sample on their website. The installation kit is very comprehensive; everything you could possibly need to hook the horns up several different ways is included. In this kit the compressor is the type that cannot get wet so keep that in mind. More expensive compressors can get wet. Fortunately the compressor is small and fit nicely behind the rear set of my truck. Very happy with the purchase.
John king –
Good packaging exactly what it says it is
Gunner –
It honestly has that deep train horn sound, and is extremely loud. Even though I had to send my kit back, due to an unidentified slow leak in the tank the customer service and refund process was so hassle free it still deserves a 5 star. Iβm just going to turn around and buy the same kit.
Patti Bisgard –
Easy to install – plenty of everything necessary for installation. Just warn your neighbors – it is LOUD! My husband loves it!