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Drilling holes in the air box

Discussion in 'Modifications' started by Adam K, Jul 20, 2011.

  1. Adam K

    Adam K Copenworld Guru

    Joined:
    Oct 27, 2010
    Location:
    Worcester, UK
    Car(s):
    Nissan Cube Kaizen
    I've been reading on the Singapore Copen Club regarding drilling holes in the back face of the air box to increase air flow. (you might need to be a registered member to see it).

    http://www.phpbber.com/phpbb/viewtopic.php?t=2364&mforum=copensg

    I've also seen this product on yahoo auctions. Which seems to confirm that holes in the back face give a benefit. Be it increased performance or induction/BOV noise.

    http://page19.auctions.yahoo.co.jp/jp/auction/x176828634#enlargeimg

    Has anyone tried this? Does it make any difference?
     
  2. neill70

    neill70 Copenworld Member

    Joined:
    Dec 24, 2010
    Location:
    notts
    Car(s):
    copen vivid
    impreza wrx
    arosa sport
    yamaha ybr 125 custom
    i know this has been done on many different cars, i was thinking of doing it myself as the standard airbox is realy restrictive.
     
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