Just fitted my boosterplug on 1150gs year2000 model with 57,000 on the clock. All I'l say is bloody brilliant piece of kit, best £95 I've spent so far does exactly what it says
An expensive resistor and your soldering iron maybe?
Having read the blurb I've never seen anyone having to do this: "No need to spend a small fortune on complicated multi adjustable electronic devices + endless Dyno hours, to make your bike run as it should have from the factory."