Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Upgrade your vehicle*s airflow with the K&N Engineering Part Number E-3505 high-flow custom air filter. Designed with layered, oiled cotton media, this filter improves engine breathing and boosts horsepower while effectively capturing contaminants. Its oval shape measures approximately 11.5 inches in length, 8.1 inches in width, and 2 inches in height, providing a precise fit for compatible applications. The filter*s reusable design ensures long-term performance, allowing it to be cleaned and reused throughout the lifespan of your vehicle without losing efficiency.
Constructed for easy installation, the K&N E-3505 drop-in replacement fits seamlessly into your factory air box, making it an ideal upgrade for drivers seeking superior airflow and engine protection. Backed by K&N*s 10-Year/Million Mile Limited Warranty, this product offers peace of mind and reliable performance. Its engineered construction not only enhances horsepower but also maintains compliance with regulations as it is not CARB-verified, making it suitable for most vehicle modifications.
Whether you're looking to improve acceleration, fuel efficiency, or simply extend the life of your engine, the K&N high-flow air filter is a proven solution. Its durable materials and innovative design ensure consistent airflow and filtration, keeping your engine clean and running at peak performance. Invest in a filter that delivers both long-lasting durability and superior engine protection, and enjoy the benefits of optimized airflow with every drive.
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).
