Looking for a great set of exhaust manifolds for your 1971-73 Mustang Mach 1 or Cougar? Look no further than this OEM pair of D1DE-AA manifolds. These bolt-on manifolds are made from cast iron and come with a stud for easy installation. These vintage manifolds are perfect for those who want to keep their classic car as original as possible. They are compatible with 302/351C-2V engines and are silver in color. Please note that these manifolds are not universal fitment and are specifically designed for gasoline engines. D1DE-AA date code: H2 D1OE-CB date code: 3G26