It seems that the number of options on replacement air filters for TSi stock airbox is finally growing.
Pipercross: http://blog.pipercross.net/?p=408
K&N: http://www.knfilters.com/search/product.aspx?Prod=E-2997
BMC: http://www.bmcairfilters.com/search_a.aspx?marca=32&lng=1 (not a direct link, can't do it in this page)
What would you choose between them ? I don't want to go the way of an induction kit.
Pipercross: http://blog.pipercross.net/?p=408

K&N: http://www.knfilters.com/search/product.aspx?Prod=E-2997

BMC: http://www.bmcairfilters.com/search_a.aspx?marca=32&lng=1 (not a direct link, can't do it in this page)

What would you choose between them ? I don't want to go the way of an induction kit.