How often should I clean this filter?

K&N recommends cleaning and re-oiling your filter every 50,000 miles under normal highway driving conditions. Depending on your environment, you may need to clean it more often. Inspect the filter regularly and clean it when you see a buildup of dirt and debris.

What do I need to clean and re-oil my K&N filter?

K&N sells filter cleaning and oiling kits specifically for this purpose. These kits contain a cleaner to remove dirt and grime, and a special oil to restore the filter's ability to trap contaminants. Using the correct oil is important to maintain the filter's performance.

Is this filter legal in California?

No, this filter is not CARB-approved and cannot be used on vehicles registered in California. Check the CARB status of any aftermarket part before installing it on a street-driven vehicle in California.

K&N Filter Universal Rubber Filter 2 1/2 inch Flange 6 inch Base 5 inch Top 5 1/2 inch Height

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Specifications

Brand: K&N
Part #: RU-4950
UPC: 024844103307

K&N Filter Universal Rubber Filter 2 1/2 inch Flange 6 inch Base 5 inch Top 5 1/2 inch Height

Name: K&N Filter Universal Rubber Filter 2 1/2 inch Flange 6 inch Base 5 inch Top 5 1/2 inch Height
Brand: K&N
Price: 68.99 USD
Availability: InStock

$68.99

In Stock

Fits a wide range of applications. Washable and reusable, so it's the last filter you'll need.

Key Features

Universal fit — works on many different machines
Washable and reusable — saves money over disposable filters
Rubber flange — strong and pliable to seal tightly, even if the mounting isn't perfect

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Ford Focus 2007-2009
Mitsubishi Lancer 2009-2012

Product Details

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.