K&N Universal Rubber Air Filter RU-4950 - 2.5" Flange, 6" Base, 5.5" Height (Select 2007-2012 Ford/Mitsubishi)

Fits select 2007-2012 Ford Focus and Mitsubishi Lancer models (including Evolution, Ralliart, and Sportback trims).

The K&N RU-4950 Universal Air Filter is engineered for high-performance applications ranging from street vehicles to racing setups. This filter features K&N's signature washable cotton gauze media, designed to provide low restriction and high airflow while maintaining critical engine protection. The construction includes ultra-strong, molded pliable rubber flanges that absorb engine vibration for a more secure attachment. The flange material is specifically designed to be flexible, allowing it to stretch up to 1/16-inch (1.5mm) to fit intermediate intake tube sizes.

• Manufacturer Part Number: RU-4950
• Flange Inside Diameter: 2.5 in (64 mm)
• Base Outside Diameter: 6 in (152 mm)
• Top Outside Diameter: 5 in (127 mm)
• Filter Height: 5.5 in (140 mm)
• Flange Offset: 0 in (Centered)
• Material: Washable pleated cotton gauze
• Construction: Pliable rubber flange and end caps
• Warranty: 1-Year Limited Warranty