Civic EG

hello

dose a decat from a eg and pipe from a integra zxi with a custom back box going to work how much modfication would the mid pipe need ??

what year/motor is the zxi? (never heard of that model over here)

its a 1994 i think its the lightist shell integra did but with a d serise engine but it was my old one im sellng for parts as and using bits off it of my new eg the exhaust manifold and fit perfectly the sorter cat has bin fitted but i need to use the mid section and i got an ek mugen loop back box to fit to it.