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Not sure. Says "Direct Fit Converter". I found this.
"Direct-Fit Catalytic Converters. Manifold and direct-fit catalytic converters are designed to bolt onto the vehicle without any additional adjustments to the mount space and the exhaust system. They are manufactured using the features and constraints specific to the vehicle in which they are installed."
So it must be made to GM Specs, I am assuming. And it is not a GM part, it sounds like. It did have a 2 year 2500mi warr. But I went back this morning. They will fix it and do it asap. I also found when I asked, they put it on the Driver's side, not the Passenger's side. Bank 1 is Cyl. 1. Bank 2 is Cyl. 2. My Camaro is the 2011 1lt coupe with RS package. I think it would have worked if it was installed correctly.
The cat comes off the exhaust man. There are two O2 sensors. One is before the converter and one after. It is dual exhaust, meaning Bank 1 has an exhaust system, and Bank 2 has a separate system, one having nothing to do do with other.
So Primary and Secondary no idea.
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