lx header?

[civics4life]

hey i have a 99 civic lx and i was wondering if this would fit with out any other modifications....someone was telling me about having to buy a new cat or something, but the description says on the item that it fits all....thanks for the help

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7970626605&category=33631&sspagename=WDVW