Id leave alone tbh, with all teh speed bumps and sleeping policeman around its bad enough to travel at standard ride height.
If you really want to, ring up your insurer and ask them first. Some are lenient if you maintain its not enhancing the engine performance. Others arnt though.
I phoned up to check they wouldnt get a paddy on about my K&N filter
![LOL :lol:](http://www.tekforums.net/Smileys/teksmileys/lol.gif)
They didnt. And they switched me to fully comp for only £60 extra :mrgreen: