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Get the exhaust up and out and they are not that loud. Power steering pump? What kind of dynamo is that spinning?
Not sure that is a power steering pump.
There is a rod from the carb going forward to what-ever-that-is in the power steering pump location. Perhaps some kind of rpm sensing - adjusting device?
Also sloppy execution on the exhaust, look at the hose clamps over some metal wrap for the exhaust connection just after the exhaust manifold.