Marvish Posted April 25, 2022 Share Posted April 25, 2022 Heyyo!! sorry if this is a redundant post… i have a set of 98-9 headers that i want the have ceramic coated for my 00. The catless headers don't have the 2 rear collector pipes just the main body. Anyone know If the 2 rear pipes from my 00 fit with the catless setup? haven't been able to clarify if they are different and do not want to teardown until I know. mutt Link to comment Share on other sites More sharing options...
Member Contributer adkfinn Posted April 25, 2022 Member Contributer Share Posted April 25, 2022 The '98-99 parts have slightly different part numbers per Honda: 98-99: 00-01: That said - the difference between them is likely small given only the last three digits vary and the rest of the part # is the same. It is probably worth test fitting the combined setup prior to spending the money on ceramic coating. I expect that someone can verify firsthand, but a test fit would confirm with certainty. Link to comment Share on other sites More sharing options...
Member Contributer JZH Posted April 25, 2022 Member Contributer Share Posted April 25, 2022 The early headers have a larger diameter than the later headers, as I understand it. FYI, the last three digits are where Honda encodes part revisions, supplier revisions and finish revisions. They can and do make a big difference! Ciao, JZH Link to comment Share on other sites More sharing options...
Member Contributer PLCGuy Posted June 4, 2022 Member Contributer Share Posted June 4, 2022 they are absolutely different, I just did this conversion and was surprised the down pipes were bigger, fortunately my header came with them FYI the down tube gaskets are different too Link to comment Share on other sites More sharing options...
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