How often should I clean my K&N air filter?

The cleaning interval depends on your driving conditions. K&N recommends inspecting the filter regularly and cleaning it when you see a buildup of dirt and debris. Under normal conditions, this might be every 25,000 to 50,000 miles.

Do I need to oil the filter after cleaning?

Yes, K&N air filters use a special oil to help trap dirt and improve airflow. After cleaning, you'll need to re-oil the filter with K&N filter oil to maintain its performance.

What is the warranty on this K&N air filter?

K&N warrants its air filters to be free from defects in material and workmanship for 10 years or 1,000,000 miles. This warranty applies when the filter is properly installed and maintained.

K&N E-0664 Air Filter — Audi RS6/RS7 4.0L V8

Name: K&N Replacement Round Air Filter for 13-14 Audi RS6/RS7 4.0L V8
Brand: K&N
Price: 68.99 USD
Availability: InStock

K&N Replacement Round Air Filter for 13-14 Audi RS6/RS7 4.0L V8

$68.99

Only 4 left in stock

Washable and reusable air filter. Designed to improve airflow and performance.

Key Features

Washable — clean and re-oil for extended use
Reusable — lasts the life of your vehicle
Improved airflow — more air to the engine
Direct replacement — fits in the factory air box

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

Fits this vehicle

Audi RS7 2014-2018

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!