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I know this is probably a dumb question

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Are the kind of supertrapp mufflers with rings on the end spark arresting?

I think they claim spark arresting. Mostly it's to "tune" the exhaust to the bike and to the conditions.

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I think they claim spark arresting. Mostly it's to "tune" the exhaust to the bike and to the conditions.

Thanks. I have one on my 1974 Honda TL125 and the rangers are really strict about spark arrestors, atv tags, and atv permits(they make you take a test here central oregon to ride on blm).

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Yes, the one I have on my XT550 is actually stamped as an approved spark arrestor.

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Yes, the one I have on my XT550 is actually stamped as an approved spark arrestor.

Thanks a lot. The pipe on my can-am 250 makes it illegal but I think I will hit the trails with the tl125 this weekend.

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mine also is stamped spark arested

I had to go out in the garage and look at the one on my XL350. Sure enough, it is U.S. Forestry Dept. legal as a spark arrestor. Mine came with a solid end cap and an open cone. The cone is stamped "For closed course competition use only". So make sure you use the closed end cap.

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