New RX-8 owner. NEED ADVICE! Located in Blacksburg VA. I dont want to be scammed!
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Notice I didn't suggest he not have a cat, I suggested he have a cat that will work long term. Whatever he has on there now is already throwing codes. Whether he runs a cat long term is up to him and his local emissions rules.
A cheap metal coil cat might be cheaper once, but is more expensive once you've bought and melted 3 of them.
Carbon is one mode of failure. Ignoring a clogged cat is another and the two can happen independently. Both have mitigations but this person already has a suspect or failing cat already, so their carbon situation doesn't feel like a priority?
Coils and planning to do something with the cat is a good plan. If you're going to drive on it at all, at least look inside with your own eyes. If this thread hasn't stated it explicitly enough: a bad cat will slowly kill your engine. Once you know what exactly is going on inside, you can make decisions.
A cheap metal coil cat might be cheaper once, but is more expensive once you've bought and melted 3 of them.
Carbon is one mode of failure. Ignoring a clogged cat is another and the two can happen independently. Both have mitigations but this person already has a suspect or failing cat already, so their carbon situation doesn't feel like a priority?
Coils and planning to do something with the cat is a good plan. If you're going to drive on it at all, at least look inside with your own eyes. If this thread hasn't stated it explicitly enough: a bad cat will slowly kill your engine. Once you know what exactly is going on inside, you can make decisions.
Last edited by Loki; 11-10-2021 at 04:19 PM.
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