Aby Airbox filter

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  • ristokru
    S2Forum Addict
    • Oct 2016
    • 270
    • Country: Estonia

    #1

    Aby Airbox filter

    I just now have in my aby airbox, paper filter(10€). Does it make difference if i put K&N Filter? Does it also makes a better sound ?
    Last edited by ristokru; 4 August 2017, 08:18.
  • oilman
    S2Forum Maniac
    • Jan 2006
    • 996
    • Country: United Kingdom

    #2
    Hi

    K&N do make a different sound, but it's not always more noticeable. There can be a small power gain, but you only really get the best results with a tuned engine.

    Cheers

    Tim
    Use the code S2F and get 10% Club Discount
    oilman's website for BMW engine oil and much more - register for news and offers
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    • ristokru
      S2Forum Addict
      • Oct 2016
      • 270
      • Country: Estonia

      #3
      I had S2 3B airbox with KN filter and in front there was cut on hole and it made good pshhh sound Now i installed ABY Box and it dosent make no sound at all. I need back my pshhh sound!

      Comment

      • GazzaG60
        S2Forum Freak
        • Mar 2007
        • 4133
        • Country: United Kingdom

        #4
        the holes help the noise. remove the snorkel from he box

        Comment

        • LHD_Kid
          S2Forum Possessed
          • May 2006
          • 3697
          • Home: England Current: Belgium

          #5
          There were some tests made and the most efficient was an OEM filter... changed regularly it is the best performer... other brand of standard paper filters were tested as well as the 'performance' versions.
          it's on the forum somewhere...
          Last edited by LHD_Kid; 5 August 2017, 08:01. Reason: typo
          Honda CBR 1100XX Blackbird Turbo....undergoing major changes.....
          S2 Coupe... bit easier off the line...
          '03 ZX12-R daily hack.... lots of nice bolt ons...

          Comment

          • Error404
            Super Moderator
            • Mar 2007
            • 19789
            • Country: United Kingdom

            #6


            Use the standard filter element. There is no performance gain by using the K&N and it will **** up your MAF. If you want more noise then fit a larger trumpet like the RS2 air box.
            Panthero Coupé quattro 20vt
            Indigo ABY coupé
            Imola B6 S4 Avant

            Comment

            • LSG
              S2Forum Maniac
              • May 2010
              • 898
              • Country: United Kingdom

              #7
              Alex I'm surprised to read your post about Keith & norm. Aka K&N air filters.They must have spent time on r&d so the filter will pass more air. Why would more air mess with the MAF. Surely removing air trumpet or enlarging intake hole would also give more air. I,m just interested in your reasons for reply.kind regards Lynn

              Comment

              • LHD_Kid
                S2Forum Possessed
                • May 2006
                • 3697
                • Home: England Current: Belgium

                #8
                Pretty sure the main reason for issues is that the oiled "performance" filters tend to deposit oil on the MAF wire...
                Honda CBR 1100XX Blackbird Turbo....undergoing major changes.....
                S2 Coupe... bit easier off the line...
                '03 ZX12-R daily hack.... lots of nice bolt ons...

                Comment

                • Error404
                  Super Moderator
                  • Mar 2007
                  • 19789
                  • Country: United Kingdom

                  #9
                  /\ This

                  the OEM filter flows enough for 400hp and does a bloody good job of filtering the air
                  So no need anyway. And you don't need to tune for an air filter anyway thats what the MAF is for
                  Panthero Coupé quattro 20vt
                  Indigo ABY coupé
                  Imola B6 S4 Avant

                  Comment

                  • piotr
                    S2Forum Extremist
                    • Jul 2012
                    • 1470
                    • Home: Poland Current: England

                    #10
                    Originally posted by LSG
                    Alex I'm surprised to read your post about Keith & norm. Aka K&N air filters.They must have spent time on r&d so the filter will pass more air. Why would more air mess with the MAF. Surely removing air trumpet or enlarging intake hole would also give more air. I,m just interested in your reasons for reply.kind regards Lynn
                    I like your thinking

                    Comment

                    • ristokru
                      S2Forum Addict
                      • Oct 2016
                      • 270
                      • Country: Estonia

                      #11
                      Originally posted by Error404


                      Use the standard filter element. There is no performance gain by using the K&N and it will **** up your MAF. If you want more noise then fit a larger trumpet like the RS2 air box.
                      I dont want just now more noise but some noise Its quiet as hell and i dont like it. I like when i can hear also turbo sounds. Yea i know its silly but i like that pshh sound

                      3b box made very good sound and i tought that aby will make even more but now its like toyata corolla
                      Larger trumpet in one option but then i have to destroy airbox and also i dont know how to exactly install it. Isnt there any more optsions?

                      Comment

                      • ristokru
                        S2Forum Addict
                        • Oct 2016
                        • 270
                        • Country: Estonia

                        #12
                        Originally posted by GazzaG60
                        the holes help the noise. remove the snorkel from he box
                        What snorkel you mean?

                        Comment

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