1) By clock I'm guessing you mean speedometer, which is off by approx 7% (meaning if you're doing 130mph it's probably more like 120) - Tuneboy will correct this
2) Just changing to K&N filter won't do much of anything, but if you combine triple K&Ns with aftermarket pipes there will be a substantial performance boost - the appropriate tune will need to be downloaded to the ECU and I recommend you check out this site: http://www.tuneboy.com.au/
3) Some Japanese site was mentioned recently
4) Yes, but won't work with a Throttlemeister
5) D and D 3-1-2 Exhaust I would say is good value for money
was told, by an american supplier/dealer for pyramid plastics that they are available in europe somewhere, but I have tried several DOZEN google searches looking for belly pan (bellypan, belly/pan etc etc) and air dam (airdam, air-dam etc etc yawn) no absolutely no avail
(3 ea.) RU-2780 k&N's for TB's
(1 ea.) 62-1560 for breather element that used to hook up to the plennum
Credit Miami for this info. I did this mod a year ago, works great. The bear claw needs to be spaced out in the back about a half inch. I used a white nylon round spacer from home depot.