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[–] [deleted] 0 points 3 points (+3|-0) ago 

[Deleted]

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[–] gramman74 0 points 0 points (+0|-0) ago 

Can confirm. Lost a truck by getting it stuck in a field. The catalytic converter got hot catching the grass under the truck on fire

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[–] glassuser 0 points 0 points (+0|-0) ago 

In the core. The exhaust pipe just upstream of it is going to be at least slightly hotter.

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[–] diodine 0 points 0 points (+0|-0) ago 

Depends on the conditions. A catalytic converter is literally burning any unburnt fuel in it, which is why it gets hot.

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[–] cosmic_climb 0 points 0 points (+0|-0) ago 

That easily exceeds the autoignition temperature of most petroleum compositions. No spark required.