I use the portable ARB. You can use air tools with it.
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As mentioned, the ARB or the ARB twin compressor would be a good choice. If you're planning on getting a winch some time soon, I would recommend that you give the WARN PowerPlant a look as well. That's what I run on both my JK's and they've served me well - of course, they don't take up any extra room too :yup:
ARB twin is what I plan on running, if you want to run air tools as well you will need to get a secondary tank for the compressor or some sort of power tank.