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Thread: Air box mod

  1. #1
    Full Member paul.sessions's Avatar
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    Default Air box mod

    hi this has probably been asked before, but ive been hearing a lot about the so-called air box mod. was wondering if someone could explain what it does how to do it, and wether it can be done on sri 2.2 dti.
    please
    thanks

  2. #2
    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

    Default

    The air box mod allow more air to get into the engine more freely. It involves removing the trumpet like piece of plastic from the bottom of the air box. It is most effective when done if a K&N panel filter is also fitted although this is not essential. I have a 2.2DTi Sri and have done about 5k since doing mine and had no issues. I have also just fitted the K&N panel filter and it feels alot smoother

  3. #3
    Full Member Teamtom's Avatar
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    Vehicle : Vectra C Hatch

    Trim : SRI

    Engine : 1.8 VVT

    Year : 2006

    Mileage : 53000

    Default

    if you go to the main forum page.

    scroll down to the technical section and have a look at the "how 2's" it explains it all there.

    http://www.vectra-c.com/forum/showthread.php?t=70471
    Rubbin'z racing Harry!


  4. #4
    Full Member paul.sessions's Avatar
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    Default

    cheers guys would i benefit from just taking the plastic bit out ?? cant afford a k&n yet..
    does it just make it smoother or does it affect engine in any other way..will it affect ecu?

  5. #5
    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

    Default

    Like i said i have just put in my K&N, i ran it for a good 4k before i fitted the K&N, when doing the air box mod disconnect the battery for 15mins to reset the ecu (so it can re-learn the air flow). The mod makes the car feel like it can breathe more easily, thus alot smoother on pick up.

  6. #6
    Full Member paul.sessions's Avatar
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    Default

    cool now i understand cheers fella, did you notice anymore difference once you stuck the k&n in?? because the old air filter looks quite restrictive

  7. #7
    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

    Default

    Yeah the K&N helps even more, the best mod i've done to my DTi was the steinbauer tuning box though, i've not had it on a rolling road yet but there is bags more power with it fitted

  8. #8
    Full Member paul.sessions's Avatar
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    Default

    cheers for the help mate think i will look into the tuning box too, that sounds good

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