84-85 Intake Air Cleaner Duct Plastic 90 Degree. This is a used 84-85 GM part number #25516352 Intake air cleaner duct plastic 90. Excellent shape. With the value of the Stock Turbo Buick climbing, many of us have sold off these parts. When restoring this is essential for the top of the factory air cleaner to mass air flow pipe.  We sell new Clamps HERE.