K&N Engineering

K&N Replacement Air Filter for 03-06 Kawasaki KFX400 / 03-09 Suzuki LTZ400 / 04-08 Arctic Cat DVX400 - SU-4002

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SKU:
KNNSU-4002
UPC:
024844101020
MPN:
SU-4002
Availability:
Regularly stocked product
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$83.99
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Description

How often should I replace my K&N air filter?
K&N off-road replacement air filters are washable and reusable, designed for thousands of miles between cleanings to ensure optimal engine performance.

Will I need to rejet my carburetors after installing this air filter?
No jet changes are required with just a K&N filter element, providing clean carburetion and optimal fuel mixture even at high altitudes.

K&N Motorcycle Direct Fit Air Filters offer a drop-in installation for 2003-2013 Arctic Cat DVX 400/TS, Kawasaki KFX400, and Suzuki LT-Z400 models, delivering peak engine performance. Featuring a washable and reusable filter media, they ensure superior airflow and filtration for increased horsepower and responsiveness. Experience enhanced acceleration and confidence with this premium upgrade.

Key Features

  • K&N off-road replacement air filters
  • clean carburetion even at high altitude
  • no jet changes are required with just a K&N filter element
  • washable and reusable
  • high air-flow with excellent filtration
  • provide increased horsepower and acceleration

Why Choose the KN Motorcycle Direct Fit Air Filters

Delivers peak engine performance and responsiveness across all riding conditions.

Achieves optimal fuel mixture and power delivery, even at extreme altitudes.

Transforms your ride with instant horsepower and quicker acceleration gains.

Provides long-lasting performance and cost savings with easy wash-and-reuse capability.

Who Is This For?

Weekend Off-Roading — 9/10
Designed for off-road, cleans air at high altitude.

Street Performance — 8/10
Provides increased horsepower and acceleration.

Engine Performance — 9/10
High air-flow with excellent filtration, increases power.

Easy DIY Install — 10/10
Direct fit, drop-in install type.

Racing Competition — 7/10
Increases horsepower and acceleration for performance.

Frequently Asked Questions

Will the K&N Engineering KN Motorcycle Direct Fit Air Filters fit my vehicle?

Direct Fit air filters from K&N Engineering are engineered to fit your specific application. These filters are designed to precisely match the 2003-2013 Arctic Cat DVX 400/DVX 400 TS, Kawasaki KFX400, and Suzuki LT-Z400 QuadSport Z/LT-Z400 QuadSport Z LE models. Experience confidence knowing your upgrade is a guaranteed fit.

How difficult is the K&N Engineering KN Motorcycle Direct Fit Air Filters installation?

Installation of the K&N Engineering KN Motorcycle Direct Fit Air Filters is a straightforward drop-in process. With a perfect 'Easy DIY Install' score of 10 out of 10, you can achieve enhanced performance in minutes. Trust in the simple, no-hassle upgrade for your vehicle.

What performance improvement does the KN Motorcycle Direct Fit Air Filters provide over stock?

These KN Motorcycle Direct Fit Air Filters deliver a significant performance boost with increased horsepower and acceleration gains. Scoring a 9 for 'Engine Performance', they provide high air-flow with excellent filtration, transforming your ride. Enjoy peak engine performance and responsiveness.

What are the maintenance requirements for K&N Engineering KN Motorcycle Direct Fit Air Filters?

Maintaining your K&N Engineering KN Motorcycle Direct Fit Air Filters is incredibly easy, classified with an 'Easy' maintenance level. These filters are washable and reusable, ensuring long-lasting performance and cost savings. Enjoy continued high air-flow with excellent filtration for your vehicle.

Additional Resources

Official K&N Engineering Product Page

Installation Guide (PDF)

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.

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Additional Information

Clearance Item:
N
MPN:
SU-4002
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Filters>Air Filters - Direct Fit
Install Type:
Drop-In
Product Level:
Premium Performance
Weekend Off-Roading:
9/10
Street Performance:
8/10
Engine Performance:
9/10
Easy DIY Install:
10/10
Racing Competition:
7/10
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