The California Smog Law(s) Thread [MERGED]
Thanks! I'll try to give them a call for availability. Other vendors all say the OEM cat is now unavailable and obsolete. Then I got quoted $1400 from a local muffler shop to install a universal cat. 
You're probably right about the ECU. It's tuned for the current setup but don't know what it would show on the OBDII scanner when smogged. I'll continue to search from an OEM cat and hopefully one will popup in the classifieds.
You're probably right about the ECU. It's tuned for the current setup but don't know what it would show on the OBDII scanner when smogged. I'll continue to search from an OEM cat and hopefully one will popup in the classifieds.
Saw all this coming when I sold my Evo 12 years ago. CARB seems to know their way around better and can sniff the ECU for checksum variations besides just checking for compliance verification of emission status. I am sure they will give out false positives too and what a pain that will be to deal with. CARB is it's own entity trying to survive until the industry goes electric. Meantime they will gouge us for all they can to justify their existence.
My smog tech will confirm Stock Cat, EGR, and basic running health, and the its up to diagnostic. The common mistake is setting readiness on all things, even though they are N/A for some. The exact ones will need more research in your ROM, but only those that should be set to ready, should be, otherwise you will fail because you set readiness forced to parameters that shouldn't be. Your tuner, if you have one should know this stuff.
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