What Exhaust is this??

By Canuck1969: .... Thinking header is stock 750E and mufflers added on later??

Yes, that's what I'd say. somebody seems to have done a good job of it too.

Agreed. May need some sealer around that joint but looks good. Let’s see what it looks like once it is cleaned up.

Canuck1969 wrote: Checked some other years and models and closest I can get is a GPZ.

Offhand I can't think of a GPz that would have a chrome exhaust.