K&N Cone Filter 5in ID 6.5in base 4.5in top 5.625in height carbon fiber look

The RP-5113 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight design and gives this filter a smooth glass like finish. The RP-5113 is a clamp-on filter that has an inside flange diameter of 5 inches and a flange length of 1 inch. The base is 6-1/2 inches and the filter height is 5-5/8 inches.
Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.

Fits
BMW M3 Base 2001 to 2005
Subaru Forester XT 2004 to 2005
Subaru Forester XT Limited 2006
Subaru Forester XT Premium 2005
Subaru Impreza WRX 2002 to 2014
Subaru Impreza WRX Limited 2006 to 2007
Subaru Impreza WRX Limited 2010 to 2014
Subaru Impreza WRX Premium 2009 to 2014
Subaru Impreza WRX STI 2004 to 2014
Subaru Impreza WRX STI Limited 2007
Subaru Impreza WRX STI Limited 2011 to 2014
Subaru Impreza WRX STI Special Edition 2010
Subaru Impreza WRX TR 2006 to 2007
Subaru Legacy GT 2005 to 2006
Subaru Legacy GT Limited 2005
Subaru Legacy GT Limited 2007 to 2009
Subaru Legacy GT spec.B 2006 to 2009