K&N Engineering 33-5139 High-Flow Replacement Air Filter for Honda Civic and Acura Integra

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! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills

Upgrade your vehicle’s factory air intake system with the K&N Engineering 33-5139 High-Flow Replacement Air Filter. Designed as a direct drop-in replacement for the original equipment filter, this reusable performance air filter fits the factory air box and is engineered to improve airflow for responsive engine performance. Its layered, oiled cotton media helps support increased horsepower while providing reliable protection against dirt and other airborne contaminants.

The K&N 33-5139 is washable, reusable, and designed to last for the entire lifespan of your vehicle when properly maintained. Reusing the filter can help reduce the waste associated with disposable filters and their packaging. The filter is backed by K&N’s No-Hassle Lifetime Limited Warranty and is compatible with the K&N 99-5000 Filter Care Service Kit Aerosol for cleaning and re-oiling.

This automotive air filter fits select 2023–2026 Honda Civic and 2024–2026 Acura Integra applications, including the 2024–2026 Honda Civic Type R where applicable. Verify your vehicle’s specific year, make, model, and engine configuration before ordering. This product is not CARB approved and may not be legal for sale or use in emissions-controlled applications where applicable.

Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: 33-5139
• Product Type: High-flow replacement air filter
• Filter Media: Layered, oiled cotton
• Design: Washable and reusable drop-in replacement
• Installation: Fits the factory air box
• Warranty: No-Hassle Lifetime Limited Warranty
• Service Kit Compatibility: K&N 99-5000 Filter Care Service Kit Aerosol

What's Included

• One K&N Engineering 33-5139 High-Flow Replacement Air Filter

Features:

• High-flow cotton media: Layered, oiled cotton construction is engineered to improve airflow while helping capture engine-damaging contaminants.
• Reusable design: Washable and reusable construction is designed to last for the life of the vehicle with proper cleaning and maintenance.
• Easy installation: Direct drop-in design installs into the factory air box without requiring major intake system modifications.
• Performance and waste reduction: Supports improved engine airflow and horsepower while helping reduce reliance on disposable air filters and packaging waste.

Fitments:
2023 Honda Civic Type R
2024 Acura Integra Type S
2024 Honda Civic Type R
2025 Acura Integra Type S
2025 Honda Civic Type R
2026 Acura Integra Type S
2026 Honda Civic Type R

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1