Stromung cat back Group Purchase

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  • Alberthype
    Advanced Member
    • May 2011
    • 125

    #526
    I'm interested in this
    sigpic

    Comment

    • TC Baur MD
      Advanced Member
      • Oct 2011
      • 145

      #527
      Also interested in a group buy

      Comment

      • Stan
        Mod Crazy
        • Jul 2019
        • 752

        #528
        I will keep you up to date with progress

        Comment

        • KyleHugo
          Noobie
          • Sep 2017
          • 9

          #529
          Also interested if still possible to be interested.

          Comment

          • Don Stevens
            Grease Monkey
            • Aug 2007
            • 368

            #530
            Guys - I have a Turner/ECS cat back system for sale in the "parts for sale" forum
            Discounts to all R3VLimited users on Amsoil products www.tampabaysynthetics.com

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            • Stan
              Mod Crazy
              • Jul 2019
              • 752

              #531
              I spoke with Scott at Stromung and he has been very busy but tells me he wants to move forward now.

              More news to come.

              Comment

              • AmosCake
                Wrencher
                • Feb 2021
                • 210

                #532
                LETS GOOOOOO. Stan the GOAT!

                Comment

                • Zzyzx85
                  Member
                  • May 2012
                  • 83

                  #533
                  I'm glad my swap progress has been slow so I can be patient with this lol.

                  edit: I submitted an "order request" yesterday evening to Stromung and mentioned R3V. I have not heard back so I'm guessing they're waiting for someone to say the GB is official.
                  Last edited by Zzyzx85; 01-14-2026, 11:14 AM.
                  - '89 Alpineweiss 325i 4-door, 5-spd swap in progress
                  - '03 M3, Imolarot, 6 speed

                  Comment

                  • Stan
                    Mod Crazy
                    • Jul 2019
                    • 752

                    #534
                    [QUOTE=Zzyzx85;

                    edit: I submitted an "order request" yesterday evening to Stromung and mentioned R3V. I have not heard back so I'm guessing they're waiting for someone to say the GB is official.[/QUOTE]

                    Scott has yet to complete the prototype "quieter" system.

                    Comment

                    • OldDogNewE30
                      Noobie
                      • Jan 2026
                      • 2

                      #535
                      I’m IN on the “quieter Stromung SS cat-back system for the E30 cabriolet” dual wall exhaust tips for my 325i!
                      What’s the next step?

                      I replaced the rusted stock muffler with the IE cat-back (as seen on eBay ; )) which has great flow and NO DRONE, but my little inline 6 has lost some of it’s “German accent”.

                      I'm hoping the new Stromung design will be “just right.”

                      (OO=[][]=OO)

                      Comment

                      • jrobie79
                        R3VLimited
                        • Mar 2006
                        • 2523

                        #536
                        wonder if they would sell just the muffler with the pieces welded on so it fits the stock e30 hangers. I'm going 24v turbo, and the plan was to just hack up my OG group buy exhaust to work with the new engine, but I would rather just a brand new muffler instead of doing that
                        1991 318is --- currently not road worthy
                        1991 318i ---- 308K - retired

                        Originally posted by RickSloan
                        so if you didnt get it like that did you glue fuzzy oil to the entire thing?

                        Comment

                        • Stan
                          Mod Crazy
                          • Jul 2019
                          • 752

                          #537
                          Originally posted by jrobie79
                          wonder if they would sell just the muffler with the pieces welded on so it fits the stock e30 hangers. I'm going 24v turbo, and the plan was to just hack up my OG group buy exhaust to work with the new engine, but I would rather just a brand new muffler instead of doing that
                          MAybe

                          Comment

                          • hotbascosauce
                            Noobie
                            • Aug 2016
                            • 25

                            #538
                            Should we proactively get a list started so we can get to 10 buyers confirmed once Scott at Stromung is ready to produce?
                            1991 sterling silver 318is
                            1987 alpine white 325i convertible

                            Comment

                            • Stan
                              Mod Crazy
                              • Jul 2019
                              • 752

                              #539
                              Originally posted by hotbascosauce
                              Should we proactively get a list started so we can get to 10 buyers confirmed once Scott at Stromung is ready to produce?
                              Great idea! Would you scroll back and put all those interested on a list? He needs to know 325 or 318

                              Comment

                              • Zzyzx85
                                Member
                                • May 2012
                                • 83

                                #540
                                Stan: On it.

                                below is a preliminary list of those interested. This thread goes back a while so please confirm if you are or are not interested and mention if 325 or 318.

                                If you want on (or off) the list, copy, paste, and edit the list in a new post.

                                1. Zzyzx85 - 325i
                                2. OldDogNewE30
                                3. hotbascosauce
                                4. jrobie79
                                5. KyleHugo
                                6. TC Baur MD
                                7. Alberthype
                                8. BadDays
                                9. RyansE30
                                10.

                                pavelgram,Kwon0569, sjmorris1: not sure if you guys are still interested. It was back in late 2024 when you posted in this thread lol.
                                - '89 Alpineweiss 325i 4-door, 5-spd swap in progress
                                - '03 M3, Imolarot, 6 speed

                                Comment

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