Aluminized. See 5255-12 for 6 cylinder pipe.
Ford Mustang and Shelby Years:
1965 (65), 1966 (66), 1967 (67)
Above years shown are used for searches and are not application listings.
NPD Part Number : 5255-11 Manufacturer Reference #'s: M42257S,
1965-1967 MUSTANG 260, 289, SINGLE EXHAUST
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.