Tailpipe extracted, ‘Y’ turned 180-degrees, and tailpipe reinstalled & cotter-pinned (fun!).
I had a bad feeling (which turned out to be correct) that the bulkhead fuel fitting through the firewall (which will shortly be connected to the engine-driven fuel pump) would have to be removed to facilitate installation of the tailpipe in its correct orientation. Not fun, but all done now.
Also, ball-joint spring retainers installed and tightened.
Right-side exhaust pipes loosely in place.
Left-side exhaust pipes loosely in place.
Ball-joint spring retainers installed and tightened.