SKU: 57-9011 | UPC: 024844088468
K&N 98-00 Lexus GS400 V8-4.0L Performance Air Intake Kit
The K&N 57-9011 Performance Air Intake System replaces the factory air filter and intake tube on 1998-2000 Lexus GS400 models with the 4.0L V8 engine. This kit uses a roto-molded high-density polyethylene tube to deliver more airflow for guaranteed gains in horsepower and torque. Paired with a washable oversized oiled cotton high-flow air filter and custom heat shield, it improves engine performance while protecting against underhood heat.
Key Features
- High-Flow Air Filter: Washable reusable oiled cotton media with conical design lasts up to 100000 miles between cleanings under normal highway driving
- Roto-Molded HDPE Intake Tube: Increases airflow volume to the engine for dyno-proven power gains of up to 11.75 HP at 5792 RPM
- Custom Heat Shield: Shields intake air from engine bay heat to maintain cooler denser air charge
- Easy Installation: Completes in 60 minutes or less using basic hand tools, no cutting or drilling required
- Lifetime Warranty: Backed by K&N No-Hassle Lifetime Limited Warranty with no vehicle warranty void
Product Notes
- Replaces OE air filter and intake tube completely for direct bolt-on fit
- Clean filter every 100000 miles or as needed with K&N cleaning kit
- Ships in protective box measuring 23.5 x 13.25 x 9.75 inches
Installation Notes
- Professional installation recommended.
- Uses simple hand tools like screwdriver and pliers for factory replacement
- Clamp-on design fits stock mounting points with no modifications
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998 | Lexus | GS400 | Base |
| 1999 | Lexus | GS400 | Base |
| 2000 | Lexus | GS400 | Base |
Why Choose K&N?
- Over 60 years of air intake engineering for millions of vehicles worldwide
- Dyno-tested systems deliver measurable horsepower and torque increases
- High-quality materials ensure durability and consistent filtration performance
Frequently Asked Questions
- Q: Does this fit my 1998-2000 Lexus GS400?
A: Yes, designed specifically for 1998-2000 Lexus GS400 Base with 4.0L V8 engine, confirmed on K&N fitment guide - Q: What materials are used in the intake?
A: Roto-molded high-density polyethylene tube and oversized oiled cotton gauze filter media for strength and airflow - Q: What is the warranty and service interval?
A: No-Hassle Lifetime Limited Warranty covers the system, filter cleans every 100000 miles under highway conditions
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure K&N box 23.5 L x 13.25 W x 9.75 H inches
- Weight: 7.7 lbs
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