The K & N filter # for the Outlook is 33-2394
http://www.knfilters.com/search/product.aspx?Prod=33-2394
http://www.knfilters.com/search/applications.aspx?Prod=33-2394
http://www.knfilters.com/search/product.aspx?Prod=33-2394
http://www.knfilters.com/search/applications.aspx?Prod=33-2394