Ttr Exhaust Mod On A Wr450?

Has anyone tried putting washers between the SA and the exhaust tip to increase the flow? I know it will make a mess on the inside of the can tip, but I wonder if there would be any performance gains. Has anyone tried this?:thumbsup::ride:

the spark arrestor is big enough to negate any benefit from using washers. it does help to remove the baffle and leave the spark arrestor in place.

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