What are the inlet and outlet diameters of 01935B?

Product Description: 1967-68 Mustang/Cougar Air Vent Assembly - Driver Side

Diameters:

Outlet Diameter is 5-3/8" & the Inlet Diameter (in the back) is 5-7/8"01935B_main-01

For more information, follow the link: 1967-68 Mustang/Cougar Air Vent Assembly - Driver Side

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