Quote:
Originally Posted by nerally
i just took the cats out of my 95 impreza. i thought i would get a check engine light but i didnt. the car seems to run fine
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95 was the transition year from OBD1 to OBD2.
If your car is OBD1, it only has one O2 sensor, and it's before the cats, so that's why you don't get a CEL.
If it's OBD2, well, you just got lucky!