Quote:
Originally Posted by cas951
I don't have an answer to your question but can you elaborate more on item 2?
My 02 is due for registration and it states it needs a smog certificate.
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They do not use the tail pipe sniffer anymore but plug their computer on the OBDII port and run the tests through a software.
They don't even kneel anymore at the back of the car so less and less chances that they find out if you installed cat pipes / headers.