Description
Upgrade your Lexus GS400 with the K&N Engineering 57-9011 performance cold air intake kit designed specifically for models from 1998 to 2000. This high-quality system features a durable, rotationally-molded high-density polyethylene (HDPE) tube that helps increase airflow volume to your engine, resulting in noticeable improvements in horsepower and torque. The kit includes a washable, reusable high-flow air filter with oiled cotton media, engineered to provide up to 100,000 miles of service under normal highway conditions. Its oversized, conical design maximizes airflow while maintaining filtration efficiency, supporting optimal engine performance across a wide range of driving conditions. The custom heat shield effectively guards the intake air from the high temperatures generated in your engine bay, ensuring cooler, denser air enters your engine for better combustion and power output. Installation is straightforward, typically taking less than 90 minutes, making it an accessible upgrade for enthusiasts and DIY mechanics alike. This product complies with EPA standards and is protected by K&N’s No-Hassle Lifetime Limited Warranty, ensuring reliable performance and peace of mind. Please check local regulations; some intakes may not be legal in California vehicles due to pollution control restrictions.
The K&N 57-9011 is engineered to provide a guaranteed increase in horsepower and torque, delivering improved acceleration and throttle response. Its design promotes increased airflow, which in turn enhances overall engine efficiency and performance. The system’s durable construction and high-quality materials ensure longevity and consistent performance, backed by a Million Mile Limited Warranty. Compatible with specific Lexus GS400 models from 1998 to 2000, this intake kit is a smart upgrade for drivers seeking increased power without voiding their vehicle warranty. Whether you’re looking for better engine responsiveness or more aggressive throttle, this kit offers a reliable, high-performance solution that can be installed in less than two hours. Designed with precision and quality, the K&N 57-9011 integrates seamlessly with your vehicle, delivering lasting performance and value.
Features:
- High-density polyethylene (HDPE) rotationally-molded tube increases airflow volume to the engine
- Washable, reusable high-flow air filter with oiled cotton media for long service life
- Oversized, conical filter design allows up to 100,000 miles between service intervals under normal conditions
- Custom heat shield protects intake air from high engine bay temperatures
- Engineered for easy installation, typically completed in less than 90 minutes
- Guaranteed to increase horsepower and torque
- Protected by K&N’s No-Hassle Lifetime Limited Warranty
- EPA compliant and designed for specific Lexus GS400 models from 1998-2000
Fitment:
Lexus GS400 Base 1998
Lexus GS400 Base 1999
Lexus GS400 Base 2000

















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