Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Enhance your Nissan 350Z's engine performance with the K&N Engineering Part No. knn57-6013 cold air intake system. Constructed from high-density polyethylene (HDPE), this rotationally-molded tube design optimizes airflow, resulting in a guaranteed increase in horsepower and torque. The system is engineered to improve throttle response and overall engine efficiency, making it an ideal upgrade for enthusiasts seeking reliable performance gains. The design includes a washable, reusable High-Flow Air Filter with oiled cotton media, capable of providing up to 100,000 miles of service under normal highway driving conditions. The oversized, conical filter enhances airflow while maintaining excellent filtration, ensuring your engine breathes freely with minimal restriction. A custom heat shield is integrated to protect intake air from the high temperatures of your engine bay, safeguarding airflow quality and maintaining consistent performance. Installation is straightforward and typically completed in less than 90 minutes, making it accessible for DIY enthusiasts and professional installers alike. The entire intake system complies with EPA standards and is CARB certified, with the exception of specific applications noted in the product specifications. Backed by K&N*s No-Hassle Lifetime Limited Warranty, this intake kit delivers long-term performance and durability, making it a smart investment for your Nissan 350Z.
This performance upgrade is designed specifically for Nissan 350Z models from 2003 to 2006 with V6-3.5L engines, ensuring a precise fit and optimal results. It is a proven solution for increasing horsepower, torque, and throttle response while maintaining compliance with relevant emissions standards. Whether you're looking for everyday driving enhancements or track-ready performance, this intake kit provides a reliable and durable solution that enhances your vehicle*s engine capabilities without compromising emissions or legality in most regions.
Features:
Fitment:
2003 Nissan 350Z Base
2003 Nissan 350Z Enthusiast
2003 Nissan 350Z Performance
2003 Nissan 350Z Touring
2003 Nissan 350Z Track
2004 Nissan 350Z Base
2004 Nissan 350Z Enthusiast
2004 Nissan 350Z Performance
2004 Nissan 350Z Touring
2004 Nissan 350Z Track
2005 Nissan 350Z 35th Anniversary Edition
2005 Nissan 350Z Base
2005 Nissan 350Z Enthusiast
2005 Nissan 350Z Grand Touring
2005 Nissan 350Z Performance
2005 Nissan 350Z Touring
2005 Nissan 350Z Track
2006 Nissan 350Z Base
2006 Nissan 350Z Enthusiast
2006 Nissan 350Z Grand Touring
2006 Nissan 350Z Touring
2006 Nissan 350Z Track
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).
