s13 catback on s14 chasis

currently thinking about taking over my frd’s 3 inch nur spec catback since mine is only 2.5
how much modifactions do i need to adjust?
i did a quick check that the shape are close, but i do not know if i gotta relocate the hangers.
anyone can give me some advices?

thanks in advance

anyone ?..

Yea u need to relocate them I have a14 subframe on my s13 and i need custom hangers…

and an extension of about 6-8" as the S14 is longer