ok guys ive a got a b18c5 motor in 96 coupe ex. now currently the car has a 97 gsr header, an dpossibly gsr cat (has two o2's in it) and what looks to be factory civic ex piping. now i just bought a dc sport jdm type r header and an apexi WS II catback. now the hew dc header is longer than the gsr header so the cat will def have to be shorter correct? anyone else have this setup let m eknow what size cat ill need
here is a link to my other post w/ pics of the exhast thats on my cra now
https://honda-tech.com/zerothread?id=704178