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  1. headers 2000 altima

    2nd Generation Altima (1998-2001)
    So 4 years ago I replaced the cat now I need another. Those things ain't cheap either. I'm thinking about just doing the bxo headers and throwing on a generic cat down the line to stay legal and all. Anyone out there have any experience installing these headers or have done anything similar?
  2. Headers on my Altima. will it hurt?

    3rd Generation Altima (2002-2006)
    I have a 2003 nissan altima 2.5S, and my exhaust manifold has a catconv that its messed up now if i buy a direct OEM replacement it will run me over 250 dollars but i found a headers cheaper if i go with the cheaper and more horse power solution will i have to do any mods to the O2 sensors or...
  3. Raceline 3rd gen pre-cats on 4th gen?

    4th Generation Altima (2007-2009)
    Anyone know if the precats on 02-06 Altimas are the same or close to 07-up Altimas? If so will these high flows from Raceline fit on 07-up? http://racinglineperformance.com/shop/pc/viewCategories.asp?idCategory=19
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