RPM clock doing weird things

[solorider]

Right, epic day of drilling bolts out and tapping the holes again. done a rather good job in my opinion 
had to take the collector box off to do it proper so cant put it back on until the new gaskets arrive. at least i can prep everything like cleaning and greasing the valve.

I did consider welding a plate over the end to just eliminate the valve but was unsure how this would affect low don torque. i then noticed you can buy an after market one with this already in place.
http://www.ebay.co.uk/itm/FZS-1000-FZS10...231d871c81

Anyone done this at all?

cheers,

it would be interesting seeing how those downpipes fare against a standard working downpipe,as the ones listed are 4-2-1 rather than 4-1 the 4-2-1 would give a better midrange but not as good as a 4-1 at the top end.also looking at those pipes the shape where the pipes join look more efficient as on the oe exhaust the exup in its own right can cause a slight disturbance in the gas flow plus the oulet pipe is to one side,i dont think the oe exhaust is the most efficient in design