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I was hoping to replace my exhaust where the cat is to try and rid my car of the horrible rasping rattle sound that I have been advised is the thing to do. However Centre line are and have been for a long time out of stock. I called them and they suggested that I take it to an exhaust shop and just have them cut out and replace the cat. Has anyone done this before and is there a type of cat that I should be asking for or will anyone do. Im in NY state FYI.

Thanks

Andy
 

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That is what I had done with our '84 Spider. Replacement catalytic converters should be readily available. And a modern cat will flow exhaust gases better than the ancient Alfa one.

If the O2 sensor is of unknown vintage it'd be a good idea to also change that.
 

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Discussion Starter · #3 ·
That is what I had done with our '84 Spider. Replacement catalytic converters should be readily available. And a modern cat will flow exhaust gases better than the ancient Alfa one.

If the O2 sensor is of unknown vintage it'd be a good idea to also change that.
ok thanks so any old cat whatever they have? not to sure what the O2 sensor thing is? should it have a date on it?
 

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A universal cat that will fit the space underneath and has close to the same pipe diameter will do. The muffler shop will take care of you on that. I got rid of my cat and made my own setup. O2 sensor is on the downpipe before the cat.
 

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ok thanks so any old cat whatever they have? not to sure what the O2 sensor thing is? should it have a date on it?
The O2 sensor is in afitting on the exhaust and is used by the fuel injection to help achieve the correct air/fuel ratio.
No dates are on them but they are not expensive to replace
 

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