How often should I clean my K&N air 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.

Do I need to oil this filter?

Yes, this K&N filter uses a specially formulated oil to help trap dirt and debris. A K&N filter cleaning kit is recommended to properly clean and re-oil the filter.

Is there a warranty on this filter?

Yes, K&N backs this filter with their No-Hassle Lifetime Limited Warranty. This means they will replace the filter if it's defective.

K&N Air Filter 33-2025 | Honda Civic/CRX 1988-1991

Name: K&N 88-91 Honda Civic/CRX Drop In Air Filter
Brand: K&N
Price: 57.99 USD
Availability: InStock

K&N 88-91 Honda Civic/CRX Drop In Air Filter

$57.99

Only 5 left in stock

Drop-in replacement air filter for 88-91 Honda Civic/CRX. Washable and reusable.

Key Features

Washable — clean and re-oil for extended use
Reusable — lasts the life of your vehicle
Increased airflow — more air to the engine can improve performance
Direct drop-in replacement — installs in the factory airbox

⚠️ 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 these vehicles

Honda Civic 1988-1991
Honda CRX 1988-1991

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!