Its an electronic "boost" that plugs into the wiring loom of the engine - adds a little extra fuel. Saying that, the mpg on the car is still amazing.
Check out
www.mrhoot.com they have them cheaper on ebay too (Dragon Performance e-shop)
Just off the phone; told them about the car being on the rolling road at the weekend
Even the guy on the phone was disspointed with the result lol
They are taking the whole thing back and replcing it for me
So soon "my little pony" will have a fresh basket of carrots to chew on :evil: