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SKU: RF-1031 | UPC: 024844044440
K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H RF-1031
K&N RF-1031 is a round tapered universal clamp-on air filter designed for racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes. Flexible rubber flange stretches up to 1/16 inch for secure fit on 3.5 inch inside diameter tubes. Pre-oiled cotton gauze media delivers high airflow for better horsepower acceleration and engine performance while trapping dirt.
Key Features
- 4 Layers of Protection: Premium cotton gauze with tacking agent forms mesh to trap contaminants and protect engine.
- Clean Every 5 Years: Washable filter needs service every 75000 miles under highway conditions based on 15000 miles per year average.
- Easy Installation: Pre-oiled and ready to clamp on for quick performance upgrade without tools.
- Engineered Power: High-flow media increases airflow for gains in horsepower and throttle response.
- Rugged Construction: Durable materials and molded flanges absorb vibration built to last lifetime.
Product Notes
- Flanges handle vibration and stretch for precise fit on in-between sizes.
- Wash with K&N cleaner and re-oil for repeated use.
- Packaged in protective box for safe delivery.
Installation Notes
- Professional installation recommended.
- Clamp-on design fits 3.5in ID intake tubes centered flange.
- No additional hardware needed rubber top seals securely.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles Generators Tractors Snowmobiles RC Cars | Custom Intakes |
Why Choose K&N?
- Proven leader in washable high-flow air filters since 1969.
- Four-layer cotton design traps more dirt than paper filters.
- Engineered for maximum airflow in universal applications.
Frequently Asked Questions
-
Q: Does RF-1031 fit custom air intakes?
A: Yes fits 3.5in ID tubes with 5.75in base 3.75in top 6in height tapered shape for various angles offsets. -
Q: What material is used in the filter media?
A: Multiple layers of premium cotton gauze treated for dirt trapping and high airflow. -
Q: What warranty covers this filter?
A: 1-Year Limited Warranty against defects in materials workmanship.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Cardboard box 8.25in L x 8.13in W x 7.5in H
- Weight: 0.9 lb
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