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FMF sx powerbomb mounting solution

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Solution for mounting a sx powerbomb to wr250f stock muffler is ordering a mid pipe gasket for a wr 426 or a 450 , not sure witch yet . I got the muffler from a friend to go back to stock header and it was to big so I tried it on the powerbomb and it fit great. The thing is he has a wr426 and a wr450, not sure witch bike it came from, BUT when I find out I'm going to order a gasket for my stock muffler. ( the muffler it's self are the same just the mid pipe gaskets are different)


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