The stock exhaust is the same for the 700 and 750. About the only parts that aren't interchangeable are the connecting rods in the engine and the newer style master brake cylinder and lines from the early 90's bikes. Even my cams are stamped VN700. All they did to add the 50cc's was to make the engine have a longer stroke hence the longer con rods. For all I know, even they could be swapped to make the 700 a closet 750. Edalbris or Ozkaw would know better than myself about that though.
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