Hi, over in West Yorks I’ve used Strasse, but believe they go off site for this. There’s RPM in Knaresborough. Mine needs work this year so I’m making the journey to centre of gravity in the midlands who have a very good reputation.
Just go to Center of Gravity -http://www.centregravity.co.uk You will not believe how these wizards will transform your car. The pre-work drive then post-work drives with them are awe inspiring.