Roger, I think what they may have been talking about was the original set up on the re-gen systems,a lot of times it was so hot you would sometimes get flames from the tailpipe. I know that ford put a change into the system after the problem arose. I believe thats what led to the first recalls on them. But since then you should not have any problems, but they are covering theirselves in case you set some weeds on fire. remember when catalytic converters first came out,they warned about parking on grass or weeds due to fire hazards.
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