My local dealer said just cover up the not for road use bit.
So I took the wifes Monster fitted with ART race cans there with an obvious piece of black tape over the stamps and low and behold an MOT was awarded.
edited out, - well meant but you never know who is reading this, lets keep these friendly dealers in a job. Will u2u info
[Edited on 20-4-2004 by Webteam]