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  • #33810
    Hightone
    Deltagare

      I do have OEM STI Setup if needed but I was wondering if its possible to pass without any cats on the car when running full E85?

      I heard before that someone was close to passing when running about 30 percent E85 in the tank.

      Has anyone done it?

      #277164
      Turbovin
      Deltagare

        If it’s obvious that you have no cat on your exhaust it will/should not pass. In that case you will need to have a fake cat, a gutted one. As for the emissions without a cat I doubt it will be pass even when running full E85 but I’m not sure about that.

        #277166
        Hightone
        Deltagare

          Alright, I thought so about having the cat on just for visual.

          If I was to get a gutted cat could it be placed anywhere in the exhaust system like the midpipe?

          #277165
          clasen
          Deltagare

            Not too far back. A real cat needs to be warm and therefore needs to be somewhat close to the engine.

            I believe the emissions should be ok with e85 and no cat actually, of what I have heard from a few mates who have tried. Since e85 is most ethanol it does not create a bunch of strange shit when combusted, like gasoline does.

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