The K&N RC-5052 is a high-performance universal tapered conical air filter engineered for superior airflow, filtration, and durability across a wide range of applications. Ideal for racing vehicles, generators, snowmobiles, tractors, and even radio-controlled cars, this filter delivers proven K&N quality and performance in a compact, versatile form.
Built with ultra-strong molded pliable rubber flanges, the RC-5052 absorbs vibration for a secure, reliable seal. The flexible flange design allows for slight size adjustments—up to 1/16 inch (1.5 mm)—ensuring a snug fit on various intake setups. Its tapered cone shape with a 170mm base outer diameter and 60mm top outer diameter maximizes airflow while maintaining excellent filtration efficiency.
Designed for longevity, this washable and reusable air filter provides lasting performance and value. It’s compatible with a wide range of angles, offsets, and custom intake configurations, making it a popular choice for enthusiasts and builders seeking dependable, high-flow filtration for both street and performance applications.
Features:
* Universal tapered conical design – fits a wide variety of vehicles and equipment
* Constructed with durable molded pliable rubber flanges for vibration absorption and secure fit
* Flexible fitment – accommodates up to 1/16" (1.5mm) variation in diameter
* Washable and reusable for long-term use and value
* Optimized for airflow and filtration – supports both stock and custom intake systems
* CARB acknowledgment required – compliant use in emissions-regulated areas
Specs:
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Air Filter Shape: Tapered Conical
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Height: 5.25 in (133 mm)
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Package Contents: 1 Air Filter
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Package Quantity: 1
- Washable Yes
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Air Filter Material: Cotton Gauze
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Product Style: Unique Air Filters
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Flanges: None
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Base Outside Diameter: 6.625 in (168 mm)
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Base Inside Diameter: 4 in (102 mm)
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Top Outside Diameter: 2.375 in (60 mm)
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Weight: 1.1 lb (0.5 kg)
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Filter Re-Oiling Amount: 0.55 oz (16 ml)
- Filter Line High-Flow
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Overall Filter Efficiency: Up To 99% Efficiency