There are 8mm studs for the exhaust manifold, the same as any 8v Volkswagen, gasser or diesel. There are also 8mm copper-plated self-locking nuts used to connect these. It is not recommended to re-use the nuts after removing them. The studs and nuts are all available through any vw dealership or from any online parts supplier. They are very cheap. I've also heard of people using the studs from a SOHC Saturn, they are the same size but have an allen-type head on them for easier installation and removal.On the intake manifold, I'm not so sure. I think they are 6mm allen, but on gassers there are two bolts that are longer than the others for some types of manifolds. I would think on diesels they are probably all the same.Brendan
So people are saying that somewhere online is a place to get good quality intake and exhaust manifold bolts? Or new OEM ones should be fine?