Yup.. the pipes will fit.
I have stock pipes from an 04 on my 85 700. Most things are interchangeable for the 20 some year run - there's a list somewhere and it's mostly color/ chrome.
Curtis - Albany Oregon.
Currently receiving therapy from "Doc" - My 1985 VN700.
Daily rider in NorthWET Oregon.
Ammo Can Saddlebags
Shaved and Rejetted. Coastered. Degoated w/ Hardley pipes.
Bought Feb 2007 with 12K miles.
Hit the 24k mile July 2008