These hoses look like they might have been attched to the fittings on the landing gear.
Leg to one of the landing gears.
Not sure what this stucture is from, but it had an air blower attached to it.
Closer look at the blower.
Another one of those small mufflers.
Closer look. It's about two feet long and six inches in diameter. The outlet has about an inch and half diameter. Taking a closer look, it's looks like a heat exchanger. Maybe it's from the planes cabin heater system???
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