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K&N Engineering - Universal Custom Air Filter Tapered Conical - RC-5052

knnRC-5052
In stock
Performance Air Filters
$94.99
The K&N RC-5052 is a high-performance universal tapered conical air filter engineered for superior airflow, filtration,...
$94.99

K&N Engineering - Universal Custom Air Filter Tapered Conical - RC-5052

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:

  • Air Filter Shape: Tapered Conical
  • Height: 5.25 in (133 mm)
  • Package Contents: 1 Air Filter
  • Package Quantity: 1
  • Washable Yes
  • Air Filter Material: Cotton Gauze
  • Product Style: Unique Air Filters
  • Flanges: None
  • Base Outside Diameter: 6.625 in (168 mm)
  • Base Inside Diameter: 4 in (102 mm)
  • Top Outside Diameter: 2.375 in (60 mm)
  • Weight: 1.1 lb (0.5 kg)
  • Filter Re-Oiling Amount: 0.55 oz (16 ml)
  • Filter Line High-Flow
  • Overall Filter Efficiency: Up To 99% Efficiency
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Shipping

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All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
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Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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