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 clean it more often. Use a K&N filter cleaning kit to maintain the filter's performance.

Does this filter come pre-oiled?

Yes, this K&N air filter comes pre-oiled and ready to install. You do not need to oil it before its initial use. Be sure to use K&N filter oil when you service the filter.

What is the warranty on this K&N filter?

K&N warrants its air filters for 10 years or 1,000,000 miles. This covers defects in materials and workmanship. Damage from improper cleaning or installation is not covered.

K&N E-3450 Universal Round Air Filter

Name: K&N Filter Universal Round Filter 7.75in OD x 6.25in ID x 2.5in H
Brand: K&N
SKU: k-n-engineering-k-n-filter-universal-round-filter-7-75in-od-x-6-25in-id-x-2-5in--t14-42422
Price: 59.15 USD
Availability: BackOrder

K&N Filter Universal Round Filter 7.75in OD x 6.25in ID x 2.5in H

$59.15

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Washable and reusable air filter. Expect improved airflow and filtration compared to a paper filter.

Key Features

Washable filter — can be cleaned and re-oiled
Oiled cotton media — traps dirt and dust
Universal fit — can be adapted to many applications

⚠️ 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 washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!