1974 Dart Swinger

Today we were going to merely finish removing the dual exhaust system from the 4-door and do more work next weekend. Instead we finished removing the duals, and then we removed the old single exhaust from the Swinger. We still had plenty of time so we installed the duals back on to the Swinger. Those duals were welded as one solid piece, so to remove them we had to cut the ends off to get them out from over the rear axle. Next weekend we'll install the tail pipes and put on some chrome tips. The old rusty single pipe will now go on the 4-door and recieve a quiet muffler. I was worried that the old manifold flange bolts would be impossible to remove. The 4-doors came off very easy which really surprised us. However the Swinger put up a fight but we eventually broken the bolts free without mangling the bolts and nuts. The pipes and hangers lined up perfectly which I was concerned about going from a 4-door to the Swinger, but everything hangs neat and straight.
On a side note, the drive shaft on the 4-door had the following written on it with yellow paint pen, "76 Charger 904". I'll try and get a picture of that but did this drive shaft possibly come from a 76 Charger?

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