AirRock'ed TJ! That is an awesome system. Has it been pretty trouble free for you?
Its actually been very reliable. Mine was one of the early ones done. Has had the Gen I and 2 versions of the Gen II computer setup on it.
I had to replace 1 bag before coming out to CA. One of the front bags had a fitting start leaking and apparently I was lazy on the anti-sieze and the northeast winters had me mess up a few threads. Ordered up a new bag to replace that one. But, when I put that bag on I welded a nut on the spring pad to make install in the bag easier (PS front bag is a TJ is a PITA).
In a hurry, the welder fubared the threads a little and I didn't get the new bag wound down all the way.
About six months later I tore that bag because it was never able to sit on the mount correctly.
Got another bag, ran a tap through the nut I welded, spun the bag into place and all has been well.
The setup has been on for nearly 10 years now. Its been a good setup. We also build a 6" bagged XJ fully linked that just needs a few finishing touches.
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Also, the reason I posted again. There is room to stash a smallish tank in the rear fenders of an LJ. I'm thinking passenger side. I've got some pics of this setup around somewhere that I need to go find.