i just bought a used header from a guy who had it on a del-sol(92-95 sohc) and im planning on installing it on a 99-00 ex.now from what i have seen it will work.just not sure.whats the big differance if any?i cant find a part number but it is carb ok w/a EO number.

if i recall correctly the delsols have the o2 sensor on the front of the header and our EX's have them on the down pipe close to the cat.

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2000 Civic EX A/T