18 gauge steel. 1.5 and 1.75 primary, 2.5 collector. Some cars may require minor pipe modification for clearance. 65 motor mounts will need to ding the #6 pipe for shock tower clearance or convert to 66 mounts. These headers will be very tight on 164 tooth flywheel/flexplate bellhousings. Power steering cars require 3A652-1A cylinder bracket.
See 9430-10AK, 9430-10BK, 9432-2LA, 9432-2LB, 9432-2LC, 9432-2LD for mounting hardware options.
Not 50 state legal for all year, make, model and engine combinations.
Ford Mustang Years:
1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)
Above years shown are used for searches and are not application listings.
Mercury Cougar Years:
1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)
Above years shown are used for searches and are not application listings.
NPD Part Number : 9430-10 Manufacturer Reference #'s: Patriot Exhaust H8426,
1965-1968 MUSTANG 260, 289, 302, P/S CARS REQUIRE 3A652-1A DROP BRACKET, WILL NOT WORK WITH STOCK T-5 CABLE CLUTCH RELEASES
1969-1970 MUSTANG 302, M/T, P/S CARS REQUIRE 3A652-1A DROP BRACKET, WILL NOT WORK WITH STOCK T-5 CABLE CLUTCH RELEASES
1967-1968 COUGAR 289, 302, P/S CARS REQUIRE 3A652-1A DROP BRACKET, WILL NOT WORK WITH STOCK T-5 CABLE CLUTCH RELEASES
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.
In Stock!
