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The K&N Apollo RC-5052AB is a versatile and high-performance cold air intake system designed for naturally aspirated engines up to 250 horsepower and turbocharged engines up to 350 horsepower. Crafted from durable lightweight materials, the Apollo*s specially engineered shape enhances volumetric efficiency by increasing airflow while reducing heat buildup, ensuring a cooler intake charge for improved engine performance. Its innovative design combines the benefits of an open cone filter and a standard air box, featuring a K&N washable and reusable cotton gauze filter that provides excellent filtration and high airflow capabilities. This setup allows for easy maintenance and long-term use, making it ideal for drivers seeking both performance and convenience. The system*s smooth internal surface minimizes air turbulence, maximizing airflow and ensuring consistent engine response under various operating conditions. The Apollo comes with a standard 70mm base flange, with a variety of optional stepped adapters available to facilitate fitment to different intake sizes, making it a flexible upgrade for many vehicle applications. This universal cold air intake improves throttle response, potentially increases horsepower, and enhances overall engine efficiency, making it a valuable addition for automotive enthusiasts looking to optimize their vehicle*s performance. Please note that this product is not CARB-approved and requires acknowledgment of this status prior to installation. Whether upgrading a naturally aspirated or turbocharged engine, the K&N Apollo system offers a durable, efficient, and easy-to-install solution for maximizing airflow and engine performance.
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).
