{"product_id":"k-n-98-00-lexus-gs400-v8-4-0l-performance-air-intake-kit","title":"K\u0026N 98-00 Lexus GS400 V8-4.0L Performance Air Intake Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e57-9011\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 024844088468\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eK\u0026amp;N 98-00 Lexus GS400 V8-4.0L Performance Air Intake Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe K\u0026amp;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.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Air Filter:\u003c\/strong\u003e Washable reusable oiled cotton media with conical design lasts up to 100000 miles between cleanings under normal highway driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoto-Molded HDPE Intake Tube:\u003c\/strong\u003e Increases airflow volume to the engine for dyno-proven power gains of up to 11.75 HP at 5792 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Heat Shield:\u003c\/strong\u003e Shields intake air from engine bay heat to maintain cooler denser air charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Completes in 60 minutes or less using basic hand tools, no cutting or drilling required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Warranty:\u003c\/strong\u003e Backed by K\u0026amp;N No-Hassle Lifetime Limited Warranty with no vehicle warranty void\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces OE air filter and intake tube completely for direct bolt-on fit\u003c\/li\u003e\n\u003cli\u003eClean filter every 100000 miles or as needed with K\u0026amp;N cleaning kit\u003c\/li\u003e\n\u003cli\u003eShips in protective box measuring 23.5 x 13.25 x 9.75 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eUses simple hand tools like screwdriver and pliers for factory replacement\u003c\/li\u003e\n\u003cli\u003eClamp-on design fits stock mounting points with no modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS400\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS400\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS400\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose K\u0026amp;N?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 60 years of air intake engineering for millions of vehicles worldwide\u003c\/li\u003e\n\u003cli\u003eDyno-tested systems deliver measurable horsepower and torque increases\u003c\/li\u003e\n\u003cli\u003eHigh-quality materials ensure durability and consistent filtration performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this fit my 1998-2000 Lexus GS400?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed specifically for 1998-2000 Lexus GS400 Base with 4.0L V8 engine, confirmed on K\u0026amp;N fitment guide\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in the intake?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Roto-molded high-density polyethylene tube and oversized oiled cotton gauze filter media for strength and airflow\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and service interval?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e No-Hassle Lifetime Limited Warranty covers the system, filter cleans every 100000 miles under highway conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure K\u0026amp;N box 23.5 L x 13.25 W x 9.75 H inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 7.7 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":40392722382927,"sku":"KNN57-9011","price":367.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kn-98-00-lexus-gs400-v8-4_0l-performance-air-intake-kit-kn-engineering.jpg?v=1766996803","url":"https:\/\/www.blackopsautoworks.com\/products\/k-n-98-00-lexus-gs400-v8-4-0l-performance-air-intake-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}