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Enhance your vehicle's performance with the K&N Engineering High-Flow Drop-In Air Filter designed specifically for 2017 and newer Audi A3 models with a 1.5L L4 engine. Constructed with a layered, oiled cotton media, this filter improves airflow while effectively capturing contaminants, helping to boost engine horsepower and efficiency. Its innovative design ensures optimal performance, making it a cost-effective upgrade that lasts the lifetime of your vehicle.
Installing the K&N drop-in replacement filter is straightforward, as it is engineered to fit directly into your factory air box without modifications. Reusable and durable, this filter can be cleaned and reused multiple times, providing a sustainable solution that maintains peak engine performance over years of use. Backed by K&N's 10-Year/Million Mile Limited Warranty, it offers peace of mind and reliable performance.
Perfect for drivers seeking increased horsepower and better engine protection, this high-flow air filter is a smart choice for those committed to maintaining their vehicle's performance with quality aftermarket parts. Whether you're upgrading for daily driving or performance enhancements, the K&N 33-3111 is designed to meet the demands of modern engines while ensuring ease of installation and long-term durability.
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).
