• Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

K&N Engineering - High-Flow Original Lifetime Engine Air Filter for Honda Civic and CRX - 33-2025

knn33-2025
In stock
Drop-In Air Filter
$57.99
Elevate your engine’s performance with the K&N Engineering Original Lifetime Engine Air Filter, engineered for Honda...
$57.99

K&N Engineering - High-Flow Original Lifetime Engine Air Filter for Honda Civic and CRX - 33-2025

Elevate your engine’s performance with the K&N Engineering Original Lifetime Engine Air Filter, engineered for Honda Civic and CRX models from 1988 through 1991. Built with premium, oiled cotton media, this filter delivers superior airflow for enhanced horsepower and acceleration while maintaining exceptional filtration to protect your engine.

Designed as a precise drop-in replacement, it fits seamlessly into your stock airbox—no modifications required. The reusable, washable construction means you’ll never have to buy another disposable filter again. Simply clean, re-oil, and reinstall for a lifetime of service. Backed by K&N’s renowned 10-Year/Million Mile Limited Warranty, this air filter provides enduring performance and reliability that Honda enthusiasts trust.

Perfect for drivers seeking a balance of convenience, durability, and measurable performance gains, this filter keeps your engine breathing clean and strong for years to come.

Features:
• High-flow cotton media: Improves engine breathing for better power and efficiency
• Washable and reusable: Designed for long-term use throughout your vehicle’s lifespan
• Factory fit: Direct drop-in replacement fits securely in the OEM airbox
• Durable construction: Built to withstand multiple cleaning cycles and demanding conditions
• Warranty: Supported by K&N’s 10-Year/Million Mile Limited Warranty

Fitment:
Honda Civic Base 1988
Honda Civic Base 1989
Honda Civic Base 1990
Honda Civic Base 1991
Honda Civic DX 1988
Honda Civic DX 1989
Honda Civic DX 1990
Honda Civic DX 1991
Honda Civic EX 1990
Honda Civic EX 1991
Honda Civic LX 1988
Honda Civic LX 1989
Honda Civic LX 1990
Honda Civic LX 1991
Honda Civic RT 4WD 1988
Honda Civic RT 4WD 1989
Honda Civic RT 4WD 1990
Honda Civic RT 4WD 1991
Honda Civic Si 1989
Honda Civic Si 1990
Honda Civic Si 1991
Honda Civic Wagovan 1988
Honda Civic Wagovan 1989
Honda CRX Base 1989
Honda CRX Base 1990
Honda CRX Base 1991
Honda CRX DX 1988
Honda CRX HF 1988
Honda CRX HF 1989
Honda CRX HF 1990
Honda CRX HF 1991
Honda CRX Si 1988
Honda CRX Si 1989
Honda CRX Si 1990
Honda CRX Si 1991

Read More
Read Less

Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

Your cart

×