Quote:
Originally Posted by Yoshoobaroo
Go unbolt the exhaust on your car if you don’t believe what has been discussed hundreds of times on this forum. You can search and find dozens of threads where the primary/secondary cats are discussed.
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Too much work. I’ll probably find a picture eventually of the cats.
Quote:
Originally Posted by weederr33
Everywhere I've ever heard has stated the primary cat is in the header.
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As in primary and secondary or 1st and 2nd? Because then the precat is the first one.