K&N Engineering
K&N 2018 Kawasaki EX400 Ninja Replacement Air Filter - KA-4018
- SKU:
- KNNKA-4018
- UPC:
- 024844368539
- MPN:
- KA-4018
- Availability:
- Regularly stocked product
Description
Will this air filter fit my motorcycle?
Confirm fitment using the vehicle selector to ensure this direct fit air filter is compatible with your specific motorcycle model.
How easy is it to install this air filter?
Easily install this drop-in air filter by removing the old one and inserting the new, pre-oiled filter in minutes.
K&N Motorcycle Direct Fit Air Filters are engineered for superior Street Performance, boasting a usage score of 8. Featuring multiple layers of woven cotton gauze media, they offer excellent filtration and a large surface area. Experience increased horsepower and torque with this reliable, long-lasting upgrade.
Key Features
- Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
- Multiple layers of woven cotton gauze media offers excellent filtration
- Designed to provide increased horsepower and torque
- Washable & reusable, pre-oiled and ready to ride
- Application specific base seal and sealing bead
- No-Hassle Lifetime Limited Warranty
Why Choose the KN Motorcycle Direct Fit Air Filters
Delivers a smoother throttle response and more exhilarating acceleration.
Achieves superior engine protection with advanced filtration technology.
Provides long-lasting performance and reduces maintenance frequency.
Transforms your ride with a simple, ready-to-install upgrade.
Who Is This For?
Street Performance — 8/10
Designed for increased horsepower and torque.
Engine Performance — 9/10
Pleated cotton media offers low restriction, high capacity.
Easy DIY Install — 9/10
Direct fit, drop-in install type, pre-oiled.
Racing Competition — 7/10
Aims for increased horsepower and torque.
Track / Autocross — 7/10
Aims for increased horsepower and torque.
Daily Driving Comfort — 6/10
Low restriction media may improve throttle response.
Frequently Asked Questions
How do K&N direct fit motorcycle air filters ensure compatibility with my bike?
Confirming fitment for K&N direct fit motorcycle air filters is crucial for optimal performance. These filters are application-specific, featuring a precise base seal and sealing bead designed to match your vehicle. Always verify fitment with your specific motorcycle model to guarantee a perfect and secure installation.
How easy is it to install a K&N direct fit motorcycle air filter?
Installation is remarkably straightforward for K&N direct fit motorcycle air filters. These are designed as a simple "drop-in" install type, making them ideal for the "Easy DIY Install" use case with a score of 9. You can quickly transform your ride with this ready-to-install upgrade.
What performance benefits do K&N direct fit motorcycle air filters offer?
Riders gain increased horsepower and torque with K&N direct fit motorcycle air filters. The pleated cotton media provides low restriction and high capacity, earning an "Engine Performance" score of 9. This advanced design delivers a smoother throttle response and more exhilarating acceleration.
How do I maintain a K&N direct fit motorcycle air filter?
Maintaining your K&N direct fit motorcycle air filter is simple and cost-effective. These filters are washable and reusable, engineered for long service intervals. They arrive pre-oiled and ready to ride, providing long-lasting performance with easy maintenance frequency.
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Air Filters - Direct Fit — Air Filters
Additional Information
Clearance Item: |
N |
MPN: |
KA-4018 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Direct Fit |
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