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I need help with my mugen header

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    I need help with my mugen header

    hey guys, I bought a Mugen header for an h22a for 125$ but there is no down pipe that comes with it.

    Is there any oem or other down pipe that is compatible with my mugen headers?

    #2
    might be a worthless purchase without the downpipe. There may be some other high performance headers that have the same bolt pattern but they wouldnt be matched to each other so performance would be minimal at best.

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      #3
      try to find the mugen downpipe..thats the best bet..maybe send it to Bisi?

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        #4
        I would try to find a flange that meets up with the end of the piece you have, then have a good local exhaust or fab shop make you the piece you need

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          #5
          I agree a top half without the bottom that matches is not the best purchase.

          Just wondering why would you suggest sending it to Bisi? IMO shipping it back and forth for a simple down pipe would be a huge waste of time. Unless you can walk it in and show him in person. Even then he farms out his fab work. Bette off with a local shop.

          How long are the primaries, from the top bend to the flange? Take that measurement and measure it against a stock H22 top half. You may be able to find a down pipe that works that way. There are dozens of stock Honda 2-1 down pipes. I have two different length downpipes (secondaries) that I am not using. Let me know the measurements and I can tell you if you can get them to fit.

          As said above, If all else fails take it to a local exhaust shop and see if they can help you out.
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            #6
            Originally posted by johnnysengasong View Post
            hey guys, I bought a Mugen header for an h22a for 125$ but there is no down pipe that comes with it.

            Is there any oem or other down pipe that is compatible with my mugen headers?
            Are you sure this is a Mugen header? Or is tagged JASMA?

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              #7
              Originally posted by jhoff_cb7 View Post
              Are you sure this is a Mugen header? Or is tagged JASMA?
              JASMA is the emissions tag or certification they put on street legal Mugen headers.

              Japan = JASMA
              US = CARB
              Last edited by GhostAccord; 05-01-2013, 01:40 PM.
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                #8
                Ive seen alot of headers from Japan that are just marked JASMA, there is no brand attached to them. So people could pawn them off as Mugen or FEELS, thats why I asked.

                I think you are going to have to fab your own down pipe in this situation. I dont ever just see down pipes come up for sale.
                The downpipes take alot of abuse with road rash, and if they are beyond repair, thats when you end up with just manifold.
                Last edited by jhoff; 05-01-2013, 02:08 PM.

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                  #9
                  Yeah, a lot of people think a header marked JASMA is some fancy expensive JDM brand.


                  Anyway, the collector design in a header is just as important, if not more important, than the primary runners. With just the top half, you really don't have anything special. IMO, $125 for half a Mugen header was a serious ripoff.
                  You could probably get a cheap "ebay" header and find a way to mate the lower half to your Mugen upper half... but the gains won't be much more than that cheap header would provide.






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                    #10
                    JASMA stamped on "stock" pieces mean theyre "CARB" compliant to Japans air team program. But there is also a "Jasma" Engineering corp. which has this logo



                    if it was mugen itll say Mugen or have a logo stamp.

                    Take some measurements.

                    Now this is for an F..but it might help you..... The stock H22A downpipe is similar and might fit with some simple mods. even just getting a dual pipe downpipe, have a flange made lob off the old DP flanges and weld the made one in place

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                      #11
                      Originally posted by jhoff_cb7 View Post
                      Ive seen alot of headers from Japan that are just marked JASMA, there is no brand attached to them. So people could pawn them off as Mugen or FEELS, thats why I asked.
                      If they are a Mugen or FEELS header it would have one of those tags as well. No way to pawn a Mugen off. They shoud all have the Mugen Logo welded to the primaries. If they are street legal they will also have a JASMA tag on them. Sorry I wasn't more specific.

                      If you get lucky you picked up a header with just the Mugen tag welded to it.
                      Last edited by GhostAccord; 05-01-2013, 08:14 PM.
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                        #12
                        Originally posted by jhoff_cb7 View Post
                        Are you sure this is a Mugen header? Or is tagged JASMA?
                        The header is tagged with both badges mugen and jasma.

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                          #13
                          Originally posted by johnnysengasong View Post
                          The header is tagged with both badges mugen and jasma.
                          Good thing to see.
                          Just didnt want to see you get fucked out of your money.

                          Comment


                            #14
                            It's still possible to weld a Mugen tag to a generic/knockoff header. This may not be the case, but it's not guaranteed to be genuine.

                            Regardless, having only half of it makes it essentially worthless. Adding a generic lower half will make it little better than a generic header. It'll just have that brag-worthy tag on it... which, basically, makes it little different from a knockoff anyway!






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