Click to zoom in
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
Air Intake Systems
Air intake systems for Hellcat, Trackhawk, TRX, HEMI, and import performance platforms are stocked at Black Ops Auto Works. Shop cold air intakes, short ram intakes, air boxes, intake elbows, mass air flow sensors, scoops, snorkels, and silicone couplers for street cars, trucks, Jeeps, and supercharged Mopar builds. Every intake system is filterable by vehicle platform, engine, and intake style so the correct part ships the first time. Black Ops Auto Works carries 4,427 air intake SKUs across cold air intakes, short ram intakes, and supporting components. What This Category Covers An air intake system pulls outside air into the engine and filters it before combustion. Upgrading the factory intake with a cold air intake, short ram intake, or carbon fiber system can improve airflow, throttle response, induction sound, and horsepower potential on compatible applications. Cold Air Intakes vs Short Ram Intakes Cold air intakes route the filter away from engine bay heat for cooler, de...
View Air Intake Systems Products
Cold Air Intakes
Shop cold air intakes, short ram intakes, closed-airbox intake systems, replacement air filters, intake tubes, and MAF housings from K&N, AEM, aFe Power, Airaid, S&B Filters, Injen, Roush, Volant, Corsa, Mishimoto, HPS Performance, Cobb Tuning, JLT, Vararam, Steeda, and other performance intake brands. Find full open-element cold air intakes, sealed-airbox systems, dry and oiled air filters, replacement drop-in filter panels, MAF sensor housings, and complete intake tube kits. Cold air intakes for domestic muscle, sport-compact tuners, diesel trucks, off-road 4x4, Euro performance, and modern sport SUVs Mustang, Camaro, Challenger, Charger, F-150, Silverado, Ram, Tundra, Tacoma, 4Runner, Wrangler, Bronco, Cummins, Duramax, Power Stroke, WRX/STi, Civic Type R, GR86, Supra, GR Corolla, BMW M2/M3/M4, Golf R, and hundreds of additional platforms. Filter by vehicle, intake style (open element, closed airbox, short ram, tube kit), filter media (oiled cotton, dry synthetic), tun...
View Cold Air Intakes Products
K&N Engineering
K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...
View K&N Engineering Products