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  1. Decat with stock muffler - sound level increase?

    Appearance & Mods
    Hi I have a 2018 R1 that I use only for the race track. The tracks on this side of the pond typically have pretty strict noise limits. I would like to do a decat and ECU flash, but I'm worried how much the cat removal will affect the noise level of my bike. I have an option of going for a...
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