is this stubid or smart???

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  • ADEN
    Mod Crazy
    • Feb 2008
    • 620

    #1

    is this stubid or smart???

    yesterday the mid cat was just giving unpleasant noise so i decided to check, the mid cat needs to be replaced but the problem at that time i can't afford a new one so i improvised and took the cat out and welded two straight pipes instead of the cat.
    is that gonna affect my m20.
    please comments....

    bty the sound is much better now and the performance is the same or a lil bit improved.
  • kenika65
    E30 Fanatic
    • Aug 2007
    • 1336

    #2
    If you have an automatic you might loose some lowend power but all your going to do other wise is gain performance.

    Higher flowing exhaust.

    1986 325es (69k) Garage Queen Buy It Now 10k;1986 325es (track rat) 2.7i How-To & 1.1/1.3Motronic UpGrade
    1991 318is (daily driver) 1991 318is M42 Maintenance How-To;1989 325i (parts car)

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    • el_gringo
      Banned
      • Mar 2008
      • 299

      #3
      you should have used the flanges, and has a pipe put in place, then when inspection rolls around, you can pop in a clean ass cat to do the trick...

      but otherwise, you didnt hurt anything... now a 5 spd swap ;-)

      Comment

      • bmw325csi
        R3V Elite
        • May 2007
        • 4045

        #4
        ive been wanting to do this myself but the way el gringo mentioned. Can you possibly post some sound clips when you get a chance?
        harry/harout

        Comment

        • ADEN
          Mod Crazy
          • Feb 2008
          • 620

          #5
          thanks guys i'm in Yemen (middle east) no inspection but i really liked it, i'm gonna keep it, about the 5spd swap i can't do it in my country not too many bmws around here but i really want to swap my car i really want a s52 it'll cost me at least 1000$ to ship an s52 u r blessed to be able to swap s52

          Comment

          • Farbin Kaiber
            Lil' Puppet
            • Jul 2007
            • 29502

            #6
            It's gonna be stubid.

            Comment

            • Curtis325is
              Noobie
              • Sep 2007
              • 17

              #7
              I have my cat removed and resonators installed...it sounds awesome. Don't really notice a power increase/decrease.

              Comment

              • bmw325csi
                R3V Elite
                • May 2007
                • 4045

                #8
                I wants sound clip por favor! anyboody?
                harry/harout

                Comment

                • ADEN
                  Mod Crazy
                  • Feb 2008
                  • 620

                  #9
                  sound clip is coming tomorrow

                  Comment

                  • bmw325csi
                    R3V Elite
                    • May 2007
                    • 4045

                    #10
                    noice. Thanks
                    harry/harout

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