1992 EG Hb W/ 95 gsr swap Exhaust question and fittings

I got a 1992 eg hb gsr swaped i am wondering if i get a full cat back for my 92-95 hb will it meet up with the cat or header on my gsr swap? since i got a b-series in it?
well i am looking to get a apexi ws2 full cat but in need of help will i need to weld nething put nething in between or cut? well
hope i can get some question and help 


