da exhaust on a 89 civic sedan

[89y49rexsi]

i am going to buy an exhaust for a da and modify it to fit my sedan since nobody makes an exhaust for the ef sedan and if some one does i cant find it and ive been looking for the past 4 months

what all would i have to change for it to fit my sedan?

 

[19ef90]

i am going to buy an exhaust for a da and modify it to fit my sedan since nobody makes an exhaust for the ef sedan and if some one does i cant find it and ive been looking for the past 4 months

what all would i have to change for it to fit my sedan?

http://www.autozone.com/autozone/catalog/parts/partsShelf.jsp?displayName=Muffler&currentPage=1&categoryDisplayName=Exhaust&navValue=16100441&itemId=441-0&parentId=61-0

the bosal mufflers are stock. i have one on my ef hatch right now.