I broke my stock silencer on my 2000 RM250. Went to see how much a new one costs and it was a little over 250 and a FMF powercore shorty was 139 so i ordered the FMF. Will i need to get a jet kit an re jet for just the muffler. Everything on the bike is stock
Maybe. You will have to see if it is running clean, or rich, or lean for your riding conditions, elevation, current jetting setup, fuel, etc... once you install it. There is no one answer canned solution.
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