Hi Darren
Running with baffle in very happy with sound. Somebody has put video on site with sound. I am going to look into this cat thing people are saying different things.
Just fitted mine on friday about an hour. No cat dealer said we dont need them in this country. He told me yamaha have to advertise cat for some eu countries all very confusing.
Mt show Bristol Clifton Rugby club 12th/13th july. Test rides stunt show and much more. Looks good any local lads going. More info on the yamaha mt-07 accessories site click on dark side bottom of page.