K&N Engineering
K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H - E-3690
- SKU:
- KNNE-3690
- UPC:
- 024844004376
- MPN:
- E-3690
- Availability:
- Regularly stocked product
Description
How often do I need to clean my K&N air filter?
Clean your K&N drop-in air filter every 50,000 miles to maintain its optimal performance and efficiency.
Can I install a K&N air filter myself?
Install your K&N drop-in air filter easily into the factory air box for an immediate performance boost.
K&N Drop-in Air Filters deliver an 8 score for Street Performance, designed to provide an increase in horsepower for your vehicle. Featuring state-of-the-art washable, reusable, layered oiled cotton media, these filters unlock superior airflow. Invest in lasting engine performance and enjoy an exhilarating driving experience with confidence.
Key Features
- washable reusable High-Flow Air Filters
- state-of-the-art design of layered oiled cotton media
- designed to provide an increase in horsepower
- reusable engineered to last for the entire lifespan of your vehicle
- backed by K&N's 10-Year Million Mile Limited Warranty
- drop-in replacement filters are designed to install easily into your factory air box
Why Choose the KN Drop in Air Filters
Delivers a noticeable surge in horsepower for exhilarating acceleration.
Achieves superior airflow, unlocking your engine's full potential.
Provides long-term savings and environmental benefits through reusability.
Transforms your driving experience with effortless installation and lasting performance.
Who Is This For?
Street Performance — 8/10
Designed to provide an increase in horsepower.
Track / Autocross — 7/10
High-Flow Air Filters designed for performance gains.
Drag Racing — 7/10
High-Flow Air Filters designed for performance gains.
Racing Competition — 7/10
High-Flow Air Filters designed for performance gains.
Engine Performance — 9/10
Designed to provide an increase in horsepower.
Easy DIY Install — 9/10
Drop-in replacement filters install easily into factory air box.
Frequently Asked Questions
How does a K&N drop-in air filter improve my vehicle's performance?
An increase in horsepower is delivered by K&N drop-in air filters. These filters achieve a high score of 9 for Engine Performance, unlocking your engine's full potential through superior airflow. This upgrade provides lasting performance gains for your vehicle.
Are K&N drop-in air filters easy to install?
Installation of K&N drop-in air filters is straightforward. They are designed as a drop-in replacement, earning a perfect score of 9 for Easy DIY Install, fitting directly into your factory air box. Experience effortless installation and immediate performance enhancement.
Will a K&N drop-in air filter fit my G37?
Fitment for your G37 can be confirmed with the K&N drop-in air filter system. Always verify specific vehicle compatibility to ensure a perfect match. This ensures confidence in a precise and effective upgrade for your vehicle's intake.
Is upgrading to a K&N drop-in air filter worthwhile over the stock filter?
Upgrading to a K&N drop-in air filter provides long-term value and environmental benefits. Its reusable, engineered design lasts for the lifespan of your vehicle, unlike disposable OEM filters. This offers superior airflow and significant savings over time.
What makes K&N drop-in air filters reusable?
The state-of-the-art design of layered, oiled cotton media makes K&N drop-in air filters reusable. This advanced material construction ensures consistent airflow and filtration over many cleaning cycles. Enjoy a washable, reusable filter engineered for the entire lifespan of your vehicle.
Additional Resources
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 - Drop In — Air Filters
Additional Information
Clearance Item: |
N |
MPN: |
E-3690 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Drop In |
Universal Fitment: |
Y |
Install Type: |
Drop-In |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Track / Autocross: |
7/10 |
Drag Racing: |
7/10 |
Racing Competition: |
7/10 |
Engine Performance: |
9/10 |
Easy DIY Install: |
9/10 |