Blown Spark Arrestor Screen

I have an '02 426 with a WB R-4 exhaust with Spark Arrestor. The SA screen blew out so I bought a new one thinking it was just getting old. The new screen assembly ripped apart after only a couple hours of riding. Any ideas what would cause this? Is it my bike or just bad screen quality? Thanks :)

Call up white brothers tech. that sounds kinda odd it would blow out in an hour or two

Not sure on that exhaust; but I sell Big Gun exhausts and my rep tells me to put the dome part of the screen facing the OUTSIDE of the exhaust. The dome part will be in the tip but not back inside the can. This helps to keep it cooler and it will last a lot longer. But even if it were the other way, only a couple of rides does sound very short.

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