4-2 or 4-1 SS kits or ready to go for gsx400f

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  • nikosg
    • Jan 2026

    #1

    4-2 or 4-1 SS kits or ready to go for gsx400f

    Hey guys.

    Im struggling to find any aftermarket exhausts for my 81 gsx400f. Whether it be in Kit form, or ready to go.

    I know some models had a 4-1 system stock... some 4-2. Im not too fussed which i can find, but would love a raw SS (or titanium? :P ) kit or ready system.

    Would really like to upgrade because it feels like they used 1/4" thick steel on the stock unit... soo heavy!

    Does anyone have any leads, I havent had any luck

    cheers!

    Many thanks
  • Guest

    #2
    Hi nikosg, Don't know anything about your model or what exhausts might be available. If it is like the rest of the 4 cylinder line, you are probably going to have to find a custom built system. You might want to check with pete, also an oz member here, he had a very nice system made up for his 450 twin. Ray

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    • Guest

      #3
      You can certainly ask Tranzac who did mine, but unless he has a jig ready to go he'll need your bike for a few weeks to get it done which could be a bit difficult given your location.

      Otherwise if you have a good exhaust shop near you give them a bell... my pipes were just under $800 which was about half the price I expected...

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      • nikosg

        #4
        yeh i think ill have to go for a custom application... thanks Pete once again

        Comment

        • Guest

          #5
          No worries mate... I'm sure you'll have a choice of good exhaust shops given where you are...

          You can then have the satisfaction of knowing you have a very unique bike too

          Comment

          • nikosg

            #6
            It already is unique mate.... there are essentially no aftermarket parts for this bike whatsoever!!! lol making times very expensive.

            Only aftermarket part ive found that may come tax time are some Keihin CR carbs

            Comment

            • hampshirehog
              Forum LongTimer
              Past Site Supporter
              • Oct 2007
              • 12675
              • Hampshire. UK

              #7
              Not SS and I've no idea what the shipping would be but take a look at:



              The pipes are made in Italy and Exactrep are the UK agents. There may be somebody close to home for you.
              79 GS1000S
              79 GS1000S (another one)
              80 GSX750
              80 GS550
              80 CB650 cafe racer
              75 PC50 - the one with OHV and pedals...
              75 TS100 - being ridden (suicidally) by my father

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              • Guest

                #8
                Ooooh Marving... very tasty!

                Comment

                • nikosg

                  #9
                  Originally posted by hampshirehog
                  Not SS and I've no idea what the shipping would be but take a look at:



                  The pipes are made in Italy and Exactrep are the UK agents. There may be somebody close to home for you.
                  THANKS MATE!!

                  Can anyone vouch for the quality of these exhausts? i have never heard of them are Marving a good brand?

                  Comment

                  • hampshirehog
                    Forum LongTimer
                    Past Site Supporter
                    • Oct 2007
                    • 12675
                    • Hampshire. UK

                    #10
                    Originally posted by nikosg
                    THANKS MATE!!

                    Can anyone vouch for the quality of these exhausts? i have never heard of them are Marving a good brand?
                    They're a good make. I've got a 4-1 Racing on one S and had one on my 1100. They weigh next to nothing, the finish is good and they make a decent noise (with the baffle in - they're a little loud without......).
                    79 GS1000S
                    79 GS1000S (another one)
                    80 GSX750
                    80 GS550
                    80 CB650 cafe racer
                    75 PC50 - the one with OHV and pedals...
                    75 TS100 - being ridden (suicidally) by my father

                    Comment

                    • nikosg

                      #11
                      Originally posted by hampshirehog
                      They're a good make. I've got a 4-1 Racing on one S and had one on my 1100. They weigh next to nothing, the finish is good and they make a decent noise (with the baffle in - they're a little loud without......).
                      Do they obstruct the sump/oil filter accessibility ?? that s a deal breaker for me i think.

                      thanks for the info.

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