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i was thinking about buying this fmf power core 4 slip on exhaust system but i was starting to wonder if the fmf slip on would slip onto the stock muffler because i was looking at the picture of the slip on part and i didnt look like it would slide into my stock muffler it looked too small and another question i have is if that slip on will fit on my stock muffler will i have to change the jets in my bike because i have heard alot of people say that you will have to change the jets in your bike but i think that only consist of a full fmf exhaust system thanks you

By Anon.