Mine for a 2000 and UP. I bought it off of E-Bay about 2 years back. It was cracked. I remember the seller said he was a Dealer for BBK, and it came off a TJ. It is not like the 'shorty' you posted the link to. All I can say did BBK have issues with TJ headers and stop making them. I did a search and didn't find anything. I'll have to look tonight and see if any ID on the header.
I did notice in my search Pacesetter has a long header. They did change their coupling to flange mounts. Anyways, no real clue as to why the Banks is not listed as for a '99.
