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. A typical cleaning interval is every 25,000 to 50,000 miles.

Do I need to oil the filter after cleaning?

Yes, K&N air filters must be oiled after cleaning to maintain their filtration efficiency. Use K&N filter oil and apply it evenly to the filter media, following the instructions on the oil container.

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 million miles. This warranty covers the filter itself and is limited to the original purchaser.

K&N Air Filter for Porsche 928 33-2591

Name: K&N 78-95 Porsche 928 Drop In Air Filter
Brand: K&N
Price: 83.99 USD
Availability: InStock

K&N 78-95 Porsche 928 Drop In Air Filter

$83.99

Only 3 left in stock

Improved airflow in a drop-in replacement. Washable and reusable.

Key Features

Washable — clean and re-oil for extended use
Drop-in fit — installs in the factory air box
Oiled cotton media — traps dirt and improves airflow

⚠️ 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 this vehicle

Porsche 928 1978-1991, 1993-1995

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!