A few weeks ago I noticed the fuel pipes looking corroded.  I took it to a garage who said if I were to replace the pipes then the tank has to be replaced too as it comes as a package and it would be expensive,  like £600 to £700 for the job. But he said he can sandblast the pipes and paint protective stuff on which will stop any further corrosion for years.  So he did that today.  He put 3 coats of protector on. It was £150 cash for the job. This was before,   and this is after