I can make them if you have dimmensions and pics. I have a sign shop and also a 4'x4' CNC router at home. The stripes can be done in a high performance vinyl and then you just apply them. I am in Canada
Tony, Chris Martino at MDA has prepared art and has offered several versions. I would assume that MDA UK offers the same, but I know Chris is in the business of vehicle graphics (speed boats mostly) and I've heard people are happy with the results.
I just received a set of Chris Martino's side stripes.
They where packed really well, came with really detailed fitting instructions and a little squeegee to apply the stripes with.