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  1. #1
    VXRed
    Join Date
    30th March 2014
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    45

    Default shoud I get a k&n panel filter if my cars already mapped?

    Hi all. Just bought my 1st astra vxr and loving it! Fair step up from the fiesta st I had before

    anyway...the car came with a full cobrasport exhaust system and a remap activated by the sport button. The guy who had it before me has left the airbox as standard though but I dont undestand why.

    my question is if I de-restrict the airbox nd fit a high flow panel filter will it effect my map or anything else?

  2. #2
    VXR Nothing comes close vr55vxr's Avatar
    Join Date
    6th February 2008
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    15,933

    Default

    The car will be fine, by swapping the air filter

  3. #3
    VXR enough jim610's Avatar
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    28th February 2009
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    1,525

    Default

    No will be fine

    courts stage 3 297bhp 343ft/lbs

    vxr gone onwards an upwards

  4. #4
    VXRed
    Join Date
    30th March 2014
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    Default

    Thanks for the info. Just I read somewhere it could throw the map off. Il get ordering my filter

  5. #5
    VXRed Bondy's Avatar
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    6th May 2013
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    169

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    Massive diffrence i changed my standard to K&N when i first got the car, now orderd the CDTI air box and the new K&N filter turned up today cant wait to get it on. Putting the K&N made a big improvment to the sound unless its all in my head be good to see what you think..

  6. #6
    VXRed
    Join Date
    30th March 2014
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    45

    Default

    Also i know a guy selling a k&n apollo kit for a vxr. Are these any better should i stick to the panel?

  7. #7
    VXRed Bondy's Avatar
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    6th May 2013
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    169

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    imo standard

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