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Induction kit views

Discussion in 'A4/S4 forum(B5 Chassis)' started by AndyC, Mar 21, 2010.

  1. AndyC

    AndyC Moderator
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    Guys

    as you may know I work in the tuning industry...

    my usual line is not to fit induction kits to cars... gains are minimal for the cost...

    however I dont have the experience on the S4 B5...........

    SOOO.....

    Do I fit and reasons please

    Panel filter
    Cone (with heat sheild)
    Closed type inlet



    cheers

    Andy
     
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  3. aragorn

    aragorn "Stick a V8 in it!"
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    Nothing. The standard paper air filter is good for over 400hp.

    The stupid aftermarket things DONT filter properly, irrespective of it being a cone or panel. They filter that badly that they then rely on the filter material being impregnated with oil as a poor attempt to improve the filtration, which overtime contaminates the airflow meter.

    Stick to a good condition paper filter, changed regularly.
     
  4. Matt82

    Matt82 Active Member

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    you work in the "tuning industry" and youre asking us, did i miss the punch line?
     
  5. Broken Byzan

    Broken Byzan Photographic Moderator
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    LOL @ Matt.

    However all of the avove is true, stay OEM until you have such large turbos etc the space for the box is limited
     
  6. Matt82

    Matt82 Active Member

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    the rs4 airbox did have the extra port, but probably due to all the rs4 intake pipes having a larger diameter

    just make sure the cross-section area of the rectangular snorkle is at least, or more than that of the entry to the MAF

    honestly, thye did a load of testing on CGTI, dynod everything and basically airboxes uberalles unless youre creating some franken monster engine
     
  7. aragorn

    aragorn "Stick a V8 in it!"
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    the RS4 box has an extra hole yes, but its the same filter element!
     
  8. AndyC

    AndyC Moderator
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    I did say I wanted opinion.... this is a discussion forum..........

    I have to admit to going to stick with a panel tbh, just wanted to see what everyone thought.

    Cheers
     
  9. Oranoco

    Oranoco Well-Known Member

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    I would advise somebody else to use the stock airbox but I still run a cone filter on my own car.
     
  10. aragorn

    aragorn "Stick a V8 in it!"
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    So your choosing worse filtering, increased engine wear and risking damaging the Airflow meter for no gain?
     
  11. Matt82

    Matt82 Active Member

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    maybe space limitations or something though
     
  12. Blue_Thunder

    Blue_Thunder Well-Known Member

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    I have an ITG foam panel filter fitted currently. Previously had an OEM paper filter.

    I've had (unrelated) fuelling problems with the car so haven't managed to get it on the dyno, but I just can't see it giving any performance benefit. Does sound a lot better though - I can even get a bit of a chavvy dump noise when coming off the throttle at high boost. (I secretly quite like it!)
     
  13. jcb

    jcb Active Member
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    I have no space and am using a OEM paper panel in a modified "box".
    had a cone, without a shield, with a shield. got rid of both as the intake hose was full of dust and **** when I went to swap my recirc valve.
     
  14. AndyC

    AndyC Moderator
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    Panel filter (aka std filter)

    heavily oiled filters of course kill MAFs

    wouldt use a cone..
     
  15. aragorn

    aragorn "Stick a V8 in it!"
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    "Panel filter" often means an aftermarket filter, designed to fit in the stock airbox. They're no better than a cone on actual filtration though.

    The only way you'll filter the air properly is with a paper filter!
     
  16. AndyC

    AndyC Moderator
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    ok mate. thanks
     
  17. Nez

    Nez Member

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    I have a Cone (with heat sheild) and I am very happy with it :)
     
  18. Matt82

    Matt82 Active Member

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    what brand cone was it?
     
  19. AudiMaz

    AudiMaz Member

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    How far over 400bhp can you take the paper filter before any damage comes to it?
     

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