Exhaust for B27 -> B25 swap

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  • Andy348
    Mod Crazy
    • Sep 2009
    • 687

    #1

    Exhaust for B27 -> B25 swap

    I'm picking up an M20B25 this weekend for fairly cheap, yet it doesn't come with the 'i' exhaust. So rather than spending money on a stock i exhaust whcih I will surely change sooner or later, I'd prefer to do it now.

    I originally wanted to do eBay headers w/an IE copy or something similar, but the Ebay headers seem to be terrible, so my options are pretty limited. I've got the stock e exhaust with a good cat, but absolutely nothing else. And I'd like to stay away from getting it done professionally (unless necessary) because when I had my 'e' exhaust installed and it now hangs 3-4 inches lower than any other part of the car

    Any suggestions?
  • MR 325
    Moderator
    • Oct 2003
    • 37825

    #2
    If I were building one from scratch I'd go full custom. For headers, I'd recommend the IE shortys over anything else. You could always but the stainless catback from ebay (it's an IE copy). Then just have an exhaust shop do the center section.
    BimmerHeads
    Classic BMW Specialists
    Santa Clarita, CA

    www.BimmerHeads.com

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    • Andy348
      Mod Crazy
      • Sep 2009
      • 687

      #3
      Originally posted by MR 325
      If I were building one from scratch I'd go full custom. For headers, I'd recommend the IE shortys over anything else. You could always but the stainless catback from ebay (it's an IE copy). Then just have an exhaust shop do the center section.
      Interesting. Ill look into those.

      Would you go with a cat? I have a good eta one but I'm not sure if that would work well with the B25.

      If I don't use a cat, what do I do with the 02 sensor?

      Thanks.

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