Quote:
Originally Posted by cRiPpLe_rOoStEr
It's usually quoted to be from 500 to 650.
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I'm not totally certain on whether a cat' is cable of being able to work to the best of its ability once it passes the 'light-off' temperature, but 'several hundred degrees Celsius' is not a bad fit for most vehicles' light-off point.
Unless there are practically no COs or HCs present in the exhaust I believe the cat' temperature is self-sustaining; plus if adding an exhaust turbine presents problems in holding the heat up enough, can't exhaust wrap be fitted?