How often should I clean and re-oil this filter?

K&N recommends cleaning and re-oiling your filter every 50,000 miles for normal highway use. If you drive in dusty conditions, you may need to service it more frequently.

What is the flange size of this filter?

The filter flange is 3.5 inches in diameter. The rubber is pliable and can stretch slightly to fit in-between sizes.

Is this filter CARB approved?

No, this filter is not CARB approved. It cannot be shipped to addresses in California.

K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H

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K&N Engineering

Specifications

Brand: K&N Engineering
Part #: RF-1031
UPC: 024844044440

K&N Engineering

K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H

Name: K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H
Brand: K&N Engineering
Price: 94.99 USD
Availability: InStock

$94.99

Only 5 left in stock

Universal fit air filter from K&N. Washable and reusable.

Key Features

Universal fit — works on many applications
Washable and reusable — clean and re-oil for long life
Pliable rubber flange — allows secure attachment and absorbs vibration

⚠️ 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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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.