I have a K6 600 with a Two Brothers Slip-on. I have noticed a black residue on the inside of the large pipe at the end of the slip on. While I looked at a friends bike (GSXR1000) with the same exhaust and he has none of the residue that I see in mine. I am needing to know if this is a problem I need to be worried about or if there is something that needed to be done that wasnt done when I had the exhaust put on. Any feed back would be great. If there is other information that you need in order to help me out with this please ask.
I am a little conserned so please respond... Thanks...
I am a little conserned so please respond... Thanks...
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