Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Enhance your Audi RS6 or RS7 with the K&N Replacement Round Air Filter, engineered specifically for models from 2014 to 2018. This high-flow, washable, and reusable air filter features advanced layered oiled cotton media designed to significantly improve airflow while capturing harmful contaminants. By optimizing the intake system, this filter helps increase horsepower and acceleration, delivering a noticeable boost in vehicle performance without sacrificing engine protection. The easy drop-in design ensures a straightforward installation into your factory air box, making it an ideal upgrade for enthusiasts seeking reliable, long-lasting performance. Backed by K&N's 10-Year/Million Mile Limited Warranty, this filter is built to last the entire lifespan of your vehicle, providing consistent airflow and engine efficiency over time. Whether you're looking to improve throttle response or extend the life of your engine, this filter offers a durable and dependable solution that supports your vehicle's performance needs. Suitable for direct replacement, it offers a maintenance-friendly option that can be cleaned and reused multiple times, reducing the need for frequent replacements and ensuring cost-effective operation. Designed with quality and precision, the K&N E-0664 is an essential upgrade for drivers committed to maximizing their Audi's performance and longevity.
Features:
Fitment:
2014 Audi RS7 Base
2015 Audi RS7 Base
2016 Audi RS7 Base
2016 Audi RS7 Performance
2017 Audi RS7 Base
2017 Audi RS7 Performance
2018 Audi RS7 Base
2018 Audi RS7 Performance
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).
