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[lucid_dreams]

i don't know how strict your state is on emmisions but i would suggest getting one o2 sim just to help clean up the check engine code and with one cat you should be cleaning up the exhaust to get by an inspection. however i would suggest double checking your 2nd o2 sensor wires to ensure that you have good connections on the heater wire before you buy an o2 sensor that you don't need.