03-07 Infiniti FX35 3.5L V6 Blue Filter + Mass Air Flow Sensor Adapter 04 Replaces the stock restrictive air box and allows more air flow, thusincrease horsepower & torque. MAF adapter is made of high quality ABS plastic. Installation, bolts and nuts are not included. The flat top air filter is dry flow air filter for which does NOTrequire oiling and is rewashable. Filter Color: Blue. Vehicle Application: 2003 2004 2005 2006 2007 Infiniti FX35 3.5L V6