K&N 98-00 Honda CB400 VTEC 400 Replacement Air Filter

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride.

Additional Information

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection.

Part Type

Engine Air Filter

• Application specific base seal and sealing bead
• Designed to provide increased horsepower and torque
• Made in the USA for over 40 years
• Multiple layers of woven cotton gauze media offers excellent filtration
• No-Hassle Lifetime Limited Warranty
• Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
• PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).
• Washable & reusable, pre-oiled and ready to ride

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information