O/E or K&N or Pipercross ect.. air filter

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  • stocious
    S2Forum Maniac
    • Jul 2012
    • 838
    • Country: Ireland

    #1

    O/E or K&N or Pipercross ect.. air filter

    What filters are people using in yere airbox's .

    have no real exp with aftermarket filters to say whats good and whats not.

    for an ABY airbox, do they really flow that much more than the original paper ones?

    i thought all those filters were a myth ? or is that just the cone filters ?
    1991 S2 3B Coupe, KW v1, solid sub frames, poly bushed, chipped, about 260 ish
  • K Simmonds
    S2Forum Zealot
    • Dec 2007
    • 7633
    • Country: Wales

    #2
    For anything other than a track car I'd stick with the OE paper one and change it every 10K max. Our MAF's don't like anything with oil on and turbos aren't all that keen on fine particles.
    1990 B3 2.0 80 quattro.
    1992 C4 2.8 Avant quattro
    1994 MTM RS2.
    1998 B5 TDI quattro Sport.
    2000 B5 TQS.

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    • stocious
      S2Forum Maniac
      • Jul 2012
      • 838
      • Country: Ireland

      #3
      Originally posted by K Simmonds
      For anything other than a track car I'd stick with the OE paper one and change it every 10K max. Our MAF's don't like anything with oil on and turbos aren't all that keen on fine particles.
      ive already made an imrovement with a step up from the 3b box, i was thinking same as you in regards to the filter, cheers for the tip about the oil and MAF never even crossed my mind
      1991 S2 3B Coupe, KW v1, solid sub frames, poly bushed, chipped, about 260 ish

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      • UrS4boy
        S2Forum Obsessed
        • Feb 2006
        • 11859
        • Country: Canada

        #4
        Originally posted by stocious
        What filters are people using in yere airbox's . have no real exp with aftermarket filters to say whats good and whats not. for an ABY airbox, do they really flow that much more than the original paper ones? i thought all those filters were a myth ? or is that just the cone filters ?
        Over here in NAmerica, we have been through the K&N fad and, after reflection and testing, we like the OE paper filters better: They flow as well as the K&N, trap more particulates, make less intake noise and eliminate the issue of oil getting on the MAF wire and gumming things up.

        You might want to read this filter comparison: http://12v.org/audi/afcompare/

        RS2'd 93 UrS4 5 spd sedan
        94 UrS4 V8 6 spd manual avant

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        • stocious
          S2Forum Maniac
          • Jul 2012
          • 838
          • Country: Ireland

          #5
          Originally posted by UrS4boy
          Over here in NAmerica, we have been through the K&N fad and, after reflection and testing, we like the OE paper filters better: They flow as well as the K&N, trap more particulates, make less intake noise and eliminate the issue of oil getting on the MAF wire and gumming things up.

          You might want to read this filter comparison: http://12v.org/audi/afcompare/

          thanks

          reading that it had a MANN filter in it, i put it there , theres a nice step up with the original item in terms of flow.

          minds made up
          1991 S2 3B Coupe, KW v1, solid sub frames, poly bushed, chipped, about 260 ish

          Comment

          • UrS4boy
            S2Forum Obsessed
            • Feb 2006
            • 11859
            • Country: Canada

            #6
            Originally posted by stocious
            thanks reading that it had a MANN filter in it, i put it there , theres a nice step up with the original item in terms of flow. minds made up
            Flow isn't everything (hence forget K&N) but the MANN does not flow as well as the OE Audi filter:

            K&N: 732CFM (521 miles)
            AUDI: 728CFM (0 miles)
            MANN:678CFM (0 miles)
            MAHLE: 662CFM (0 miles)
            FRAM: 622CFM (0 miles)
            PUROLATOR: 618CFM (0 miles)
            RS2'd 93 UrS4 5 spd sedan
            94 UrS4 V8 6 spd manual avant

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            • macspring
              S2Forum Zealot
              • Mar 2005
              • 6371
              • Home: Ireland Current: Wallis & Futuna

              #7
              Originally posted by K Simmonds
              For anything other than a track car I'd stick with the OE paper one and change it every 10K max. Our MAF's don't like anything with oil on and turbos aren't all that keen on fine particles.
              As K said. oem paper.

              Regards.


              Comment

              • M_GORDON
                S2Forum Extremist
                • Oct 2008
                • 1295
                • Home: Isle of Man Current: Vatican City State

                #8
                P/C since long time ago.


                The MAF is perfect
                photobucket SUCKS
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