Three Way Cat
#1
Three Way Cat
Does any one know what the hell a three way cat is, I just order new headers for my car so I took a look in the mazda shop manual to see how the old one comes out, and there it was a three way cat right after the headers.
And yes I did a search but found nothing, so I'm asking for help.
And yes I did a search but found nothing, so I'm asking for help.
#4
everything you ever wanted to know about cats.
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