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Spark arrestor remedy, maybe

Joined
Aug 15, 2006
Messages
11,779
Location
Huntsville
First Name
Rob
Last Name
Vaughan
Wonder if it has a USFS sticker? Would pass the stick test which is all I have had done.
 
Joined
May 8, 2011
Messages
1,188
Location
Texas
Manuf says it has been submitted to FS for approval, but hasn’t been yet


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Joined
Jul 13, 2011
Messages
2,959
Location
League City, Texas
First Name
Jay
Last Name
Birdsong
Technically, to ride in a National Forest, it's required to have a Forest Service approved spark arrestor. The stamp confirms that it has been approved.
 

Dao

Joined
Aug 9, 2012
Messages
737
Location
austin
I agree about the stamped approval ..
and that's fine and alll
004.jpg


....but this thing we're talking about is....a "drop in" ....it's not a fully closed muffler.
why does this drop in need any FS stamping?
 
Joined
Nov 27, 2007
Messages
1,211
Location
West Texas
I agree about the stamped approval ..
and that's fine and alll
View attachment 251832

....but this thing we're talking about is....a "drop in" ....it's not a fully closed muffler.
why does this drop in need any FS stamping?
It needs a stamp because the drop in IS the spark arrestor, and the NFS requires it. Most manufacturers stamp the muffler because that is the convenient spot. If you look at the FMF spark arrestor "drop in" (very close in design to what is being discussed here) for the FMF 4.1 muffler, it has the approved FS model/stamp engraved in very tiny letters around the rim of the spark arrestor. And, as it has been said already here in this thread, that is a FS requirement, technically. I have seen them check for the stamp in Cloudcroft. The Ranger has a book that references all the approved SA device numbers. I have also seen tickets issued.
 
Joined
Mar 25, 2008
Messages
2,993
Location
East Texas
I agree about the stamped approval ..
and that's fine and alll
View attachment 251832

....but this thing we're talking about is....a "drop in" ....it's not a fully closed muffler.
why does this drop in need any FS stamping?
I get the impression you have never served in the military,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,because Dao,,,just because!
 
Joined
Feb 22, 2015
Messages
128
Location
Montgomery
First Name
Mike
Last Name
W
I have wanted an upgrade to my exhaust for a while. This would be great if approved.
 
Joined
Jul 13, 2011
Messages
2,959
Location
League City, Texas
First Name
Jay
Last Name
Birdsong
There’s a company named Cobra that makes Sparky spark arrestors to add on to a lot of stock MX bikes and they make replacement baffles on non-MX bikes for some stock exhaust with a built in spark arrestors (saw they do some Suzuki models - not sure about others). All of their spark arrestors are FS approved.
 
Joined
Feb 22, 2015
Messages
128
Location
Montgomery
First Name
Mike
Last Name
W
There’s a company named Cobra that makes Sparky spark arrestors to add on to a lot of stock MX bikes and they make replacement baffles on non-MX bikes for some stock exhaust with a built in spark arrestors (saw they do some Suzuki models - not sure about others). All of their spark arrestors are FS approved.

Thanks. I actually just ran across them on google. It also appears that two brothers just added spark arrestors to their aluminum model.
 

_RG_

Forum Supporter
Joined
Oct 9, 2009
Messages
2,839
Location
Bryan-sort of-Texas
Of all the irony... only place I've been checked was at the Peach Valley ohv area just north of Montrose. There's nothing but bare dirt out there for crying out loud. But literally within sight (a long sight) we have two coal powered locomotives blowing cinders into the San Juan NF at such a rate that a guy follows them putting out fires. Cept for a couple summers ago when he wasn't fast enough and they torched the mountains between Silverton and Durango. Whatever... Go figure.
 

WFO75080

Forum Supporter
Joined
Nov 26, 2009
Messages
819
Location
Greenville
First Name
David
Just tell them its an FMF. They have no markings but are the most purchased aftermarket around.
 
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