www.YamahaR.co.uk

101/102 at 6000 1 meter
105/106 at 6000 .5 meter

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No but I do have a noise meter I could measure tomorrow what revs and distance

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Yes I cut mine open when I received my bike, l have now done 6000 miles with no cat and flap open. I have no problem with looks,the Money I saved on …login to view the rest of this post

Bike has done 5000 miles , cat removed from standard exhaust ,flap wired open.
ECU flashed with ft unrestricted map and blipper, was running very rich.…login to view the rest of this post

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Hi I have m7rr tyres on my r1m, first ride in the wet yesterday really good feed back.

Quite loud with flap wired open did pop and bang on over run but I have stopped that now,trying to modify flap to open and close when I want

The original but all internals removed from cat box

Hi I have a r1m and have also been given spa but I have a modified exhaust which I do not think will meet regs,its a long way to ride to be not allowe…login to view the rest of this post