K&N Engineering
K&N Filter 2 3/4 inch Flange 5 7/8 inch OD Base 4 3/4 Top 5 inch Height - RU-4450
- SKU:
- KNNRU-4450
- UPC:
- 024844080431
- MPN:
- RU-4450
- Availability:
- Regularly stocked product
Description
How do I confirm the fitment of K&N Universal Air Filters?
Confirm fitment by cross-referencing your vehicle's specifications against the filter's flange, base, and top diameter measurements.
What is the installation process for K&N Universal Air Filters?
Install easily by securing the universal clamp onto the throttle body or intake tube for a robust seal and optimal engine air intake.
The K&N Universal Air Filter is engineered for a secure fitment, boasting a 2 3/4 inch flange for optimal engine air intake performance. Its robust construction with a 5 7/8 inch OD base and 4 3/4 inch top ensures a reliable seal against dirt and debris. Trust K&N Engineering for washable, reusable engine protection and consistent performance.
Key Features
- 2 3/4 inch Flange
- 5 7/8 inch OD Base
- 4 3/4 Top
- 5 inch Height
- washable and reusable
- 1-Year Limited Warranty
Why Choose the KN Universal Air Filter
Achieves a secure and precise fit for optimal engine air intake.
Provides a robust seal, preventing unfiltered air from entering your engine.
Delivers a clean and consistent air supply for improved engine efficiency.
Transforms your engine's breathing for a more responsive driving feel.
Who Is This For?
Easy DIY Install — 9/10
Universal fit simplifies installation across many vehicles.
Street Performance — 7/10
Washable and reusable for sustained engine protection.
Engine Performance — 7/10
Washable and reusable for sustained engine protection.
Visual Aesthetic Upgrade — 6/10
K&N branding often associated with performance aesthetics.
Track Autocross — 5/10
Reusable filter supports consistent performance needs.
Racing Competition — 5/10
Reusable filter supports consistent performance needs.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ 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 - Universal Fit — Air Filters
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
RU-4450 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Universal Fit |
Universal Fitment: |
Y |
Install Type: |
Universal Fit |
Product Level: |
Mid Range |
Easy DIY Install: |
9/10 |
Street Performance: |
7/10 |
Engine Performance: |
7/10 |
Visual Aesthetic Upgrade: |
6/10 |
Track Autocross: |
5/10 |
Racing Competition: |
5/10 |