K&N Engineering
K&N Universal Clamp-On Air Filter 3-1/4in FLG / 5-3/4in B / 3-1/2in T / 5-7/16in H - RU-1637
- SKU:
- KNNRU-1637
- UPC:
- 024844373922
- MPN:
- RU-1637
- Availability:
- Regularly stocked product
Description
Will this K&N air filter fit my vehicle?
Confirm fitment with your vehicle's specific make and model to ensure seamless integration and optimal performance with this universal fit air filter.
How often should I clean my K&N air filter?
Clean your washable, reusable universal air filter periodically based on driving conditions to maintain its high-capacity airflow and engine performance.
The K&N Universal Air Filter maximizes engine breathing with its high-capacity, large surface area, achieving an 8 score for Street Performance. Its 3-1/4 inch flange, 5-3/4 inch base, 3-1/2 inch top, and 5-7/16 inch height ensure precise integration. Experience enhanced engine performance and confidence with this premium universal fit air filter.
Key Features
- 3-1/4in FLG
- 5-3/4in B
- 3-1/2in T
- 5-7/16in H
- RU-1637
- washable and reusable
Why Choose the KN Universal Air Filter
Delivers a precise fit for seamless integration into your existing air intake system.
Achieves optimal airflow with a generous filter surface area for enhanced engine breathing.
Provides a substantial filter height, maximizing dust and debris capture for cleaner intake air.
Transforms your engine's performance with a high-capacity filter designed for maximum air volume.
Who Is This For?
Street Performance — 8/10
Maximizes engine breathing for increased performance.
Engine Performance — 9/10
High-capacity, large surface area filter maximizes breathing.
Track / Autocross — 7/10
Maximizes engine breathing for sustained performance.
Racing Competition — 7/10
Maximizes engine breathing for competitive advantage.
Easy DIY Install — 6/10
Universal fit simplifies installation process.
Frequently Asked Questions
What is the primary performance benefit of the K&N Universal Air Filter?
Maximizes engine breathing with a high-capacity, large surface area filter. This translates to enhanced engine performance, scoring a 9 for Engine Performance in the usage matrix. Experience superior airflow for your vehicle's engine.
How do I confirm if this K&N Universal Air Filter will fit my vehicle?
Confirm fitment with your vehicle before purchasing to ensure seamless integration. The universal design, with features like 3-1/4 inch flange and 5-3/4 inch base, is engineered for adaptability. Achieve optimal airflow with this precisely fitting filter.
What is the installation difficulty for this K&N Universal Air Filter?
Achieve an easy DIY install with this universal fit air filter. Rated a 6 for Easy DIY Install, its universal nature simplifies the process for enthusiasts. Enjoy straightforward integration and enhanced engine breathing.
Is upgrading to a K&N Universal Air Filter worthwhile for street performance?
Upgrading delivers a precise fit for seamless integration and enhanced engine breathing. Scoring an 8 for Street Performance, its high-capacity design maximizes air volume for noticeable improvements. Transform your engine's performance with superior filtration.
How long can I expect a K&N Universal Air Filter to last?
This washable, reusable air filter is designed for longevity and easy maintenance. Its high-capacity construction maximizes dust and debris capture, ensuring clean intake air over time. Invest in sustained performance with this durable component.
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-1637 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Universal Fit |
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