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The K&N Engineering Universal 5-inch Flange High Flow Air Filter (Part Number: RU-5302) offers versatile performance for a wide range of applications including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Crafted with durable, molded pliable rubber flanges, this filter ensures a secure fit while absorbing vibrations, making installation reliable across various equipment. The flange can be stretched up to 1/16 inch (1.5mm) for a precise fit in different intake configurations. Its high-flow design enhances air intake efficiency, contributing to improved engine performance and responsiveness. The washable and reusable construction allows for long-term use, reducing replacement costs and environmental impact. This filter is designed for applications where maximum airflow and durability are essential, providing a dependable solution for both professional and hobbyist use. The K&N RU-5302 is compatible with equipment requiring a 5-inch flange and measures approximately 8-1/2 inches in base diameter and 5 inches in height, making it suitable for various custom or aftermarket setups. Its construction meets high standards of quality and performance, ensuring your engine receives clean, unrestricted airflow for optimal operation. Please note, this filter is not CARB-approved, but it is designed to meet other industry standards for durability and efficiency, making it an ideal choice for performance enthusiasts and professional mechanics alike.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
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.
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).
