Will these header work

[dvv94cobra]

I was looking at a set of Mustang hedman hedders 8360 351 79 - 93
I was wondering if they could be easily modified to work in a 94 mustang? And if they would work on a 85 LTD?

 

[MysteryMachine]

the earler 302 ones will i think they just don't have the egr bung. Not sure about ones for a 351