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SKU: E-3671 | UPC: 024844019585
K&N Universal Oval Air Filter 12in Length x 5-1/4in Width x 3-1/4in Height E-3671
The K&N E-3671 oval air filter measures 12 inches long 5-1/4 inches wide and 3-1/4 inches tall with a 1.75 inch ID x 2.5 inch OD centered flange that is 1.125 inches high. This universal high-flow filter installs in custom air intake systems and compatible factory air boxes on cars trucks ATVs and UTVs. It improves engine performance by increasing airflow while protecting against contaminants using layered oiled cotton gauze media.
Key Features
- Increased Horsepower: High-flow design forces more air into the engine for added power output
- High Airflow: Oiled cotton media supports greater air volume than standard paper filters
- Filtration Protection: Captures dirt dust and debris to safeguard engine components
- Easy Installation: Drops into compatible factory air boxes with no modifications needed
- Low Maintenance: Washable and reusable cleans every 50000 miles under highway conditions
Product Notes
- Emissions legal replacement in all 50 states
- Engineered to last the life of your vehicle no voiding of factory warranty
- Product weight 1.6 pounds securely packaged for shipping
Installation Notes
- Professional installation recommended.
- Verify flange dimensions match intake tube before install
- Compatible with rubber top mount and flexible frame design
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Air Intakes | Factory Air Box Compatible |
| Universal | ATV/UTV | Performance Setups | Oval Flange Applications |
Why Choose K&N?
- Trusted brand since 1969 for high-performance filtration
- Backed by No-Hassle Lifetime Limited Warranty
- Dyno-tested for real-world horsepower gains
Frequently Asked Questions
-
Q: What vehicles fit the K&N E-3671 air filter?
A: Universal design for custom intakes and factory air boxes matching 12in L x 5-1/4in W x 3-1/4in H with 1.75in ID flange check your setup dimensions -
Q: What material is used in this filter?
A: Layered oiled cotton gauze media provides high flow and dirt-holding capacity re-oil with K&N oil after washing -
Q: What warranty covers the E-3671?
A: K&N No-Hassle Lifetime Limited Warranty covers defects in materials or workmanship for the life of your vehicle
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Manufacturer box approximately 13in x 6in x 4in
- Weight: 1.6 pounds
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