Velocity stack covers

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  • Nicholaschase29
    • Jan 2026

    #1

    Velocity stack covers

    I have a set of velocity stacks that were on my smoothbores. They have a filter that goes over them - a wire mesh then a coarse foam over the top - and the foam is missing in a few spots. Does anyone know where I can get replacement filters like these? They're like rubber washers that fit over the end of the velocity stack with the mesh inside them....

    Thanks,
    Nick
  • Guest

    #2
    Do you know where the missing pieces of foam are? In your engine! I run velocity stacks on my ES and it will suck the metal mesh in. I do not know where you could find replacements... sorry
    Curt

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    • Nicholaschase29

      #3
      I know they got sucked in I'd rather keep as much dirt and debris out as possible though... i guess the foam isn't good either

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      • blowerbike
        Forum Guru
        GSResource Superstar
        • Aug 2008
        • 7057
        • Ohio Closer to KY Than Cleveland

        #4
        your stacks are only for looks and probably hurts your performance.
        i say this because ive had the screen/foam/rubber band types and they was not stepped at the carb throat to help air flow.
        just a looks thing.
        maybe time for a nice set of filters?

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        • Nicholaschase29

          #5
          I have k&N pods on it now. What do you mean by stepped at the end? Do you mean so that they fit inside the carb throat rather than around the outside (which leaves a lip where the carb throat is)?

          The stacks are about 3 inches long and flair out a bit just at the end and clamp around the outside of the carb. The filter/mesh part is connected to a rubber u ring that goes around the outside of the stack - effectively holding it on.

          Are these a gimmick?

          Thanks,
          Nick

          Comment

          • blowerbike
            Forum Guru
            GSResource Superstar
            • Aug 2008
            • 7057
            • Ohio Closer to KY Than Cleveland

            #6
            Originally posted by Nicholaschase29
            I have k&N pods on it now. What do you mean by stepped at the end? Do you mean so that they fit inside the carb throat rather than around the outside (which leaves a lip where the carb throat is)?

            The stacks are about 3 inches long and flair out a bit just at the end and clamp around the outside of the carb. The filter/mesh part is connected to a rubber u ring that goes around the outside of the stack - effectively holding it on.

            Are these a gimmick?

            Thanks,
            Nick
            yes sir,
            looks only.
            the set i had was black and maybe 3-4 inches long.
            of course the flared part is for the rubber band to hold the thin foam and window screen to the stack.

            the stepped part of a performance stack is on the inside where it meets the carb throat.
            Last edited by blowerbike; 05-18-2010, 11:17 PM. Reason: uhuh

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            • KEITH KRAUSE
              Forum Guru
              Charter Member
              GSResource Superstar
              Past Site Supporter
              • Oct 2002
              • 8862
              • Angeles Forest, So.Calif./Red rocks of Southern Utah.

              #7
              I agree that proper filters should be used.
              Stacks are just a bad idea and do their part to wear out the motor.
              And on the seventh day,after resting from all that he had done,God went for a ride on his GS!
              Upon seeing that it was good, he went out again on his ZX14! But just a little bit faster!

              Comment

              • srsupertrap
                Forum Sage
                Past Site Supporter
                • Oct 2007
                • 2208
                • Erie, CO.

                #8
                Originally posted by Nicholaschase29
                I have a set of velocity stacks that were on my smoothbores. They have a filter that goes over them - a wire mesh then a coarse foam over the top - and the foam is missing in a few spots. Does anyone know where I can get replacement filters like these? They're like rubber washers that fit over the end of the velocity stack with the mesh inside them....

                Thanks,
                Nick
                Cir Cycle used to make them. Don't know if they still do.
                Steve

                1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

                Comment

                • blowerbike
                  Forum Guru
                  GSResource Superstar
                  • Aug 2008
                  • 7057
                  • Ohio Closer to KY Than Cleveland

                  #9
                  Originally posted by srsupertrap
                  Cir Cycle used to make them. Don't know if they still do.
                  that is the company from years ago!!!!!!
                  everything shrink wrapped to cardboard.

                  Comment

                  • srsupertrap
                    Forum Sage
                    Past Site Supporter
                    • Oct 2007
                    • 2208
                    • Erie, CO.

                    #10
                    Originally posted by blowerbike
                    that is the company from years ago!!!!!!
                    everything shrink wrapped to cardboard.
                    Looks like some parts are still floating around on EBay

                    Steve

                    1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

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