fmf megamax II "to disk or not to disk, that is my question"

Many disk type exhaust systems claim that adding disks adds power as opposed to a full-open pipe. Is this true with the megamax? I usually run with the quiet core only or full open. The one time i tried the disks, it felt very restricted. Also if I run full open what carb adjustments are recommended if any?


'00 WR400, '98 XR400, Beautiful wife and 3 little girls! Check out

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