Quote:
Originally Posted by severely
Curious about this. I was always under the impression/understanding that stock street legal exhausts were no problem in National Forests as they have a catalytic converter there. How would any spark get past the cat? Or is this just another way to hassle motorcyclists? Thanks in advance for the reply.
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A quote from the forest service site..."
Although mufflers and catalytic converters can help reduce the problem of spark emissions, they are not spark arresters. Catalytic converters also pose a special fire threat as they generate temperatures in excess of 2,000 °F that can ignite wildland vegetation."