How do I clean this air filter?

K&N recommends using their synthetic air filter cleaner to wash this filter. Since it's a Dryflow filter, it's designed to be oil-free. So you don't need to oil it after cleaning.

What size clamp do I need to install this filter?

This filter has a 3.5 inch inside diameter (ID). You'll need a clamp that fits a 3.5 inch OD tube to secure it properly.

Is this filter street legal?

This filter is not CARB-approved, so it is not legal for street use in California. Check your local regulations for compliance.

K&N Universal Round Clamp-On Air Filter 3.5in ID 9.5in Height 6in Base OD 5.25 Top OD

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K&N Engineering

K&N Universal Round Clamp-On Air Filter 3.5in ID 9.5in Height 6in Base OD 5.25 Top OD

Name: K&N Universal Round Clamp-On Air Filter 3.5in ID 9.5in Height 6in Base OD 5.25 Top OD
Brand: K&N Engineering
Price: 83.99 USD
Availability: InStock

$83.99

Universal clamp-on air filter from K&N. Washable and reusable, so it's ready for the next run.

Key Features

Washable filter — can be cleaned and reused
Clamp-on design — easy to install on custom intakes
Black color — matches most engine bays

⚠️ 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

Fits these vehicles

Dodge Ram 1500 2003-2008
Dodge Ram 2500 2003-2008
Dodge Ram 3500 2003-2008

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Product Details

K&N Black Universal Air Filters are made from Dryflow oil-free synthetic media. These low restriction clamp-on air filters are designed and manufactured for a wide variety of applications. When dirty they can be easily washed using K&N synthetic air filter cleaner.