m30 exhaust

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  • E30 Beast
    Advanced Member
    • Jan 2010
    • 182

    #1

    m30 exhaust

    what do all u m30'ers suggest for exhaust options, i plan on running 2.5 piping to a 2.5 free flow cat. , looking for a cheap but decent muffler, ive been searching and so far ive seen magnaflow 14815 which doesn't have a 2.5 inlet and vibrant what else is out there that you guys experienced

    Thanks The Beast ;-)
  • Jb325is
    R3VLimited
    • Oct 2003
    • 2136

    #2
    You can enlarge the inlet on the muffler to 2.5." I have an 18" magnaflow 2.5" with headers and no cats or resonator and it's extremely loud but sounds good. It'll probably still be really loud with cat and no resonator
    - '88 m54 coupe

    <3

    Comment

    • E30 Beast
      Advanced Member
      • Jan 2010
      • 182

      #3
      sweet thanks for the quick reply got any pics?

      Comment

      • CorvallisBMW
        Long Schlong Longhammer
        • Feb 2005
        • 13039

        #4
        ^ I'd like to see a pic of the muffler too. Which model is it?

        Comment

        • Jb325is
          R3VLimited
          • Oct 2003
          • 2136

          #5
          I'm not sure at the moment, it is single 2.5" in and out, oval, 18", doesn't include tips
          - '88 m54 coupe

          <3

          Comment

          • ryanwenz1
            Member
            • Nov 2009
            • 64

            #6
            I also have 2.5" going into a magnaflow its got great sound but not too loud that you cant daily drive it

            Comment

            • E30 Beast
              Advanced Member
              • Jan 2010
              • 182

              #7
              hey ryan what kind of style is the magnaflow have any video clips

              Comment

              • wildstoats
                E30 Modder
                • Sep 2007
                • 896

                #8
                My setup is E34 downpipes "Y"-d to a single 2.5" outlet, some off the shelf resonator, and wrapped up with a Vibrant 2.5" dual outlet muffler: Link. I really like the sound, kind of on the loud side but I think it sounds great and it's definitely not buzzy which was one of my main goals.
                $500, Diamantschwarz, and a Dream

                Comment

                • E30 Beast
                  Advanced Member
                  • Jan 2010
                  • 182

                  #9
                  Originally posted by wildstoats
                  My setup is E34 downpipes "Y"-d to a single 2.5" outlet, some off the shelf resonator, and wrapped up with a Vibrant 2.5" dual outlet muffler: Link. I really like the sound, kind of on the loud side but I think it sounds great and it's definitely not buzzy which was one of my main goals.
                  video clips?

                  Comment

                  • wildstoats
                    E30 Modder
                    • Sep 2007
                    • 896

                    #10
                    Originally posted by E30 Beast
                    video clips?
                    Negative. I might be able to get some clips in a couple of weeks weather permitting.
                    $500, Diamantschwarz, and a Dream

                    Comment

                    • Rennsport
                      R3VLimited
                      • May 2006
                      • 2139

                      #11
                      Equal length headers into a single 2.5", high flow magnaflow cat, magnaflow resonator, and magnaflow muffler. It has a really good sound and not loud enough to attract unwanted attention. I'll get a clip later today.
                      m106 1990 e30
                      e36 daily
                      e32 cruiser

                      Comment

                      • Jb325is
                        R3VLimited
                        • Oct 2003
                        • 2136

                        #12
                        There are a couple short clips of mine on youtube

                        - '88 m54 coupe

                        <3

                        Comment

                        • E30 Beast
                          Advanced Member
                          • Jan 2010
                          • 182

                          #13
                          Originally posted by Jb325is
                          There are a couple short clips of mine on youtube

                          http://www.youtube.com/watch?v=q2ybB...eature=related

                          That sounds fucking amazing :twisted:

                          Comment

                          • CorvallisBMW
                            Long Schlong Longhammer
                            • Feb 2005
                            • 13039

                            #14
                            What 2.5" magnaflow are you guys using???

                            Comment

                            • Jean
                              Moderator
                              • Aug 2006
                              • 18228

                              #15
                              I have single 2in 2 out magnaflow ca specific cat , then 2into1 2.5" in/out magnaflow muffler as well. It's ok under 3k but then LOUD.
                              Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



                              OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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