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SKU: RU-1770 | UPC: 024844010377
K&N RU-1770 Universal Clamp-On Air Filter 2 7/16 inch 20 Degree Flange 3 3/4 inch OD 6 inch Height
The K&N RU-1770 universal clamp-on air filter fits a wide range of equipment including racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes. Its 2-7/16 inch inside diameter 20 degree angled flange 3-3/4 inch outside diameter and 6 inch height deliver higher airflow for improved horsepower and acceleration. Pre-oiled and washable this filter installs easily with pliable rubber flanges that stretch up to 1/16 inch for secure fit.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form intricate media to trap dirt and contaminants while allowing maximum airflow.
- Clean Every 5 Years: Requires cleaning only every 75000 miles or 5 years under normal highway conditions based on 15000 miles per year average.
- Easy Installation: Pre-oiled and ready to use clamps on in minutes for fast performance gains without tools or modifications.
- Engineered Power: Advanced media increases horsepower acceleration and throttle response across RPM range.
- Rugged Construction: Durable premium materials and molded rubber flanges absorb vibration for lifetime reliability.
Product Notes
- Flanges stretch up to 1/16 inch (1.5mm) to fit in-between sizes and absorb vibration.
- Washable and reusable with K&N cleaning kit reduces replacement costs.
- Product weight 0.6 lb (0.3 kg) shipping box 8.25 x 8.13 x 6.81 inches.
Installation Notes
- Professional installation recommended.
- Clamp-on design fits 2-7/16 inch ID intakes with 20 degree angle no adapters needed.
- Use included hose clamp or existing for secure mounting on straight or angled pipes.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles | Custom Intakes |
| Universal | Various | Generators | All Models |
| Universal | Various | Snowmobiles | All Models |
| Universal | Various | Tractors | All Models |
| Universal | Various | Radio-Controlled | Cars Equipment |
Why Choose K&N?
- Proven filtration technology used in millions of applications worldwide.
- High-flow cotton gauze media lasts longer than paper filters.
- Engineered in the USA for precise fit and consistent performance gains.
Frequently Asked Questions
-
Q: What intake sizes does the RU-1770 fit?
A: Designed for 2-7/16 inch inside diameter flanges with 20 degree angle stretches slightly for 2-13/32 to 2-15/32 inch pipes 3-3/4 inch OD base. -
Q: What material is the filter made from?
A: Premium cotton gauze layers in a seamless round tapered shape with molded rubber flange for durability and flexibility. -
Q: What is the warranty and cleaning interval?
A: 1-Year Limited Warranty cleans every 75000 miles or 5 years includes re-oiling instructions for reuse.
Shipping &. Handling
- Method: Standard Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure box 8.25 x 8.13 x 6.81 inches
- Weight: 0.6 lb (0.3 kg)
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