You can research through the manufacturer's website. From the website you can be directed to auto parts for your make and model. If you received a manual with your vehicle you may find some helpful information there.
Where could I find diagram for 2003 catalytic converter on a Mazada 6
There's no possible way to pass inspection with a bad catalytic converter, if if you find out you have a bad catalytic converter during your inspection you have a chance after you after you have replaced the catalytic converter and the inspection no no charge/free!!
catalytic converter
Contact a Nissan dealership.
By find, if you mean on the vehicle, then simply get down on your hands and knees and look under the vehicle and you will see the catalytic converter. It is located where the exhaust pipe comes out of the engine and enters the converter.
Crawl under the vehicle and look between the engine and the tail pipe. You will see the catalytic converter.
Crawl under the vehicle and find the exhaust pipe coming from the engine. It will connect to the catalytic converter and from there to the muffler.
Legally you can only replace a catalytic converter with another catalytic converter.
Yes, it has a catalytic converter.
what is the surface area of a catalytic converter
Yes
There is not an antitheft cover for the catalytic converter. The catalytic converter gets extremely hot and cannot be covered.