help with welding new exhaust!

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  • bsturman92
    Wrencher
    • Sep 2012
    • 282
    #1

    help with welding new exhaust!

    hey so i have ordered a new muffler, cat, and resonator for my 318is.. i have never welded before and plan on practicing a bunch before i begin this.... my brother has a MIG welder from harbor freight (crap i know) but i wanna know any tips or trick on welding stainless steel for this exhaust? anything i should or shouldn't do?any help would be appreciated

    and plz no responses telling me to take it to a shop or get a better welder or anything like that.. i just wanna know what i can do with twhat i have... the welds dont have to be pretty just want them to hold
    Tags: None
    • IronFreak
      No R3VLimiter
      • Dec 2012
      • 3702
      #2
      What kind of wire are you using.....if you say fluxcore.....TAKE IT TO A SHOP AND HAVE IT DONE PROFESSIONALLY.

      If that welder is capable of gas shielding you'll need pure argon and solid SS wire to weld it.....

      If you do not have those things I would price them out, then seriously look into what a shop would charge. If you don't plan on doing this a lot look at what you're putting your money into.
      sigpic

      Rebellion Forge Custom Fabrication

      1988 325is - TrackRat in progress

      Instagram @rebellionforge

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        • Exodus_2pt0
          R3V Elite
          • Dec 2011
          • 5943
          #3
          If you weld up a stainless exhaust with regular wire, it will rust apart at every weld.

          Honestly, the only way IMO to properly weld stainless is with a TIG.

          You asked if there's anything you should or shouldn't do... Well, you shouldn't weld stainless with a HF welder. Honest. Though, if you are determined, watch some youtube video's and have fun. Take your time and practice practice practice.
          No E30 Club
          Originally posted by MrBurgundy
          Anyways, mustangs are gay and mini vans are faster than your car, you just have to deal with that.

            Comment

            • IronFreak
              No R3VLimiter
              • Dec 2012
              • 3702
              #4
              ^^^

              what he said. you want it done right, go to a shop or send it to my house, I'll tig it for ya. You asked what you could do with what you have, welding SS with SS wire sucks, and I'm assuming that you have a 110 welder too, it'll not work out well for you.
              sigpic

              Rebellion Forge Custom Fabrication

              1988 325is - TrackRat in progress

              Instagram @rebellionforge

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                • bsturman92
                  Wrencher
                  • Sep 2012
                  • 282
                  #5
                  haha ya after all the research i have done it sounding like its not gunna work out too nice... i wanna have a shop do it for me but im getting rid of my cat and straight piping it and most shops wont even mess with it....... think my best bet is to find someone who can weld or talk to a guy at a muffler shop and have him do it outside his work? i wanna get this done

                    Comment

                    • bsturman92
                      Wrencher
                      • Sep 2012
                      • 282
                      #6
                      as bad as i wanna do it myself and get some practice i would rather have it done quick and affective

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                        • IronFreak
                          No R3VLimiter
                          • Dec 2012
                          • 3702
                          #7
                          Originally posted by bsturman92
                          haha ya after all the research i have done it sounding like its not gunna work out too nice... i wanna have a shop do it for me but im getting rid of my cat and straight piping it and most shops wont even mess with it....... think my best bet is to find someone who can weld or talk to a guy at a muffler shop and have him do it outside his work? i wanna get this done
                          Give um cash under the table. We have a little shop south of town that'll do anything on a car as long as they don't have to put it in the books hahaha.
                          sigpic

                          Rebellion Forge Custom Fabrication

                          1988 325is - TrackRat in progress

                          Instagram @rebellionforge

                            Comment

                            • bsturman92
                              Wrencher
                              • Sep 2012
                              • 282
                              #8
                              haha ill start askin around and see what i can do.. thanks man

                                Comment

                                • Vtec?lol
                                  No R3VLimiter
                                  • Dec 2009
                                  • 3278
                                  #9
                                  not to be a burden but why catless? you won't notice a difference with an m42 but you will hate the much louder odor. Cat's are well worth it in my opinion.

                                    Comment

                                    • bsturman92
                                      Wrencher
                                      • Sep 2012
                                      • 282
                                      #10
                                      well the one i had bought i ended up selling and you really think that theres not muhc point? think i should leave stock cat and weld on the glasspack n muffler?>

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