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Enhance your Lexus GS400's engine performance with the K&N Engineering 57-9011 high-flow cold air intake system, specifically designed for 2000 models with a 4.0L V8 engine. This system features a durable high-density polyethylene (HDPE) rotationally-molded tube that increases airflow to your engine, resulting in noticeable gains in horsepower and torque. The design ensures optimal air intake efficiency while maintaining a sleek, custom appearance under your vehicle*s hood. The system is engineered for easy installation, typically completed in less than 90 minutes, making it a convenient upgrade for enthusiasts seeking improved engine responsiveness.
The intake system includes a washable, reusable high-flow air filter with oiled cotton media, capable of going up to 100,000 miles before needing service under normal highway driving conditions. The oversized, conical filter design maximizes airflow and filtration performance, promoting engine health and efficiency. A custom heat shield is incorporated to protect intake air from the high temperatures within your engine bay, maintaining cooler air intake for better combustion and performance. This product complies with EPA standards and is protected by K&N*s No-Hassle Lifetime Limited Warranty, ensuring peace of mind and long-term reliability.
Please note that some components may not be legal for sale or use on pollution-controlled vehicles in California. Verify CARB status for your specific vehicle to ensure compliance. This system is an excellent upgrade for those looking to boost engine power while maintaining a straightforward installation process. Designed with durability and performance in mind, the K&N 57-9011 intake system is a reliable choice for Lexus GS400 owners aiming to optimize their vehicle*s engine output and driving experience.
Features:
Fitment:
1998 Lexus GS400 Base
1999 Lexus GS400 Base
2000 Lexus GS400 Base
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).
