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The K&N Engineering Universal Air Filter with a 3-inch flange offers a high-performance solution designed to enhance your vehicle's intake system. Featuring an innovative inverted top design, this filter increases surface area significantly, providing superior filtration capacity compared to traditional models. The inverted top drops into the cylinder, ensuring optimal airflow and filtration efficiency, which can contribute to improved engine performance and responsiveness. The polished top adds a sleek aesthetic, allowing for customization to match your vehicle's style. This versatile filter is suitable for a variety of applications and is constructed to meet demanding automotive standards.
Made with durable materials, the K&N Universal Air Filter ensures long-lasting performance. Its design allows for easy installation and maintenance, making it an excellent choice for enthusiasts seeking reliable filtration. The filter's dimensions are carefully engineered to fit a range of intake setups, with a height of approximately 5 1/4 inches and a base diameter of about 6 inches. The filter's surface area is maximized by the inverted top concept, resulting in enhanced dirt-holding capacity and airflow capacity. This product is a great upgrade for those looking to improve engine efficiency while maintaining a clean intake environment.
Note that this filter is not CARB-approved, but it complies with other regulatory standards and is suitable for use in most non-emissions-restricted vehicles. Its construction and design focus on maximizing filtration and airflow, making it a reliable choice for performance-focused applications. Whether you're customizing your vehicle or replacing an existing filter, the K&N Engineering Universal Air Filter provides a combination of performance, durability, and style.
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).
