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North UK

It is correct , Korea down jetted the bike heavily for emissions control for certain EU countries .

However,  82.5 on a GT bike would surely see its piston rings go pop!

I would definitely recommend the upjetting settings mentioned in the tutorial .   The bike would be a lot better!   (This doesn’t grant you license to use “shorty teeny” slush exhaust cans cause the bike drastically looses speed!)

If you need sound louder than the monstrosity of the single cannon  , you can expand the hole at the can outlet  (get creative!)  but i do have twin exhausts on ebay that are VERYYYYY loud , but work seemly OK as long as the bike is jetted well!

// Meditation doesn't mean you have to sit still....