The interesting thing about California smog laws is everything has to be on it that it ORIGINALLY came with. If that means the state in which it was first sold was a state that required something different than what California requires, it's smogged with that original equipment.
You could have 7 or 8 similar Jeeps all lined up in a row - maybe even more, all with different smog equipment, and all passed fine!
The under hood label tells what it came with originally.
Sometimes the label is missing, so I think they go by the last place it was registered. They did when I was licensed, but things change.
Don't try to outguess what the complicated rules are, and don't go by what folks here say - VISIT A SMOG STATION (not a referee station) they can look it up and tell you what it needs to pass.
You may be fine the way it is.
To Pass you have to have all the required (original) equipment in place and working - visual and functional tests check it - AND you have to pass the sniff test - actual tailpipe emissions.
Depending on where your residence is, you may, or may not, have to test it on the dyno. But it still has to pass the high and low speed tests. The dyno just puts it under a light load.
A little trick - just before you go in to get it smogged, fill it with FRESH gas. The additives evaporate within 2 weeks, so make sure at least 3/4 tank is fresh.
AND - dump a pint of DENATURED ALCOHOL (not Jack Daniels - that's for you) in the tank - available at any hardware store - by the paint and laquer thinners - $1.50. It's the same stuff they sell as "Guaranteed to Pass" for $10, a can.
It's a good idea once in a while anyway - it absorbs the water and varnish deposits in the tank. It will lower the emissions if it's marginal.
You can't go to a Referee anyway until you FAIL!
Don't be afraid, you'll be fine. The most they can keep you is 20 years in prison - Say Hi to Guido - but don't do it in the showers!