kirsti - the Cupra R splitter will fit but you need to attach it somehow (screws/adhesive etc..), and as for the exhaust I cant help i'm afraid, the tdi's are so rare it will be difficult to find someone to ask
on the subject of vinyl, what you looking to do? i was thinking about going checkered roof just for the hell of it, but its been done alot :S
on the subject of vinyl, what you looking to do? i was thinking about going checkered roof just for the hell of it, but its been done alot :S