Quote:
Originally Posted by san rensho
Those graphs look really good. Just keep monitoring the other after cat o2 sensor and replace the cat as necessary.
Just out of curiosity, my understanding is that a bad cat doesn't cause any driveablity problems, so why spend big bucks to replace it?
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No drivability issues but I live in California... The smog laws are tough and don't allow modifications unless authorized by California Air Resources board (CARB). There is only one aftermarket catalytic converter approved by CARB for the Boxster and that company is not making them at this time, so I had to buy factory converter to continue registering the vehicle... Legally.