On Board Air is a must !! 

Since I now have a bed cage, that keeps my tires in one place, I need to add on board air. If you do any type of consistent off roading, airing your tires down is not only advantageous to traction, but it also is a big plus in comfort. Big tires, less air, more cushion over the hard rocks. I could have just done a portable or Co2 tank, but I like the idea of built in. Plus , I don't want to be a slave, to filling tanks. The other requirement is, that the compressor I choose, must air tires up quickly.

I also wanted to include this in the wasted space under the center of the bed rack. I did a little fabricating and made it happen . You don't even know its there, unless you pull the tires and look under them

Here is the fitment area
The two open fittings are actually the train horn air control valve.

Here are the details

EXTREMEAIRE MAGNUM 12 VOLT COMPRESSOR:

Imagine an ExtremeAire compressor with TWICE the power and speed, all in a package only 2" longer than the original! Now you can have a continuous 12 volt compressor that will put out 6 CFM free flow! Nothing in its size, class or price range even comes close! The ExtremeAire Magnum utilizes a 1.5HP fan-cooled motor and longer piston stroke to make the impossible possible. The Magnum has all of the key features of the original ExtremeAire such as superior filtering, stainless steel hardware, heat dissipation cylinder coating and powder coated filter housing and fan shroud. Plus it can be mounted in any angle or position, even upside down! Sealed bearings mean no servicing or lubrication is necessary! Uses include filling tires, running air tools, air bags, lockers, train horns, etc. It is the perfect unit for jobsite chores or ranch duties. Since this unit is totally sealed from the elements, you can mount it under your truck on the frame rail so valuable storage space is preserved!

Total Cost: $800

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