{"product_id":"k-n-03-04-lincoln-navigator-v8-5-4l-dohc-performance-intake-kit","title":"K\u0026N 03-04 Lincoln Navigator V8-5.4L DOHC Performance Intake Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e57-2551\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 024844109347\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eK\u0026amp;N 03-04 Lincoln Navigator V8-5.4L DOHC Performance Intake Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe K\u0026amp;N 57-2551 Performance Air Intake System delivers more power to 2003-2004 Lincoln Navigator 5.4L V8 DOHC and Ford Expedition 5.4L V8 engines by replacing stock components with a roto-molded HDPE intake tube and oversized high-flow oiled cotton air filter. This setup increases airflow volume while a custom heat shield blocks engine bay heat for cooler denser air and better combustion efficiency. Expect guaranteed gains in horsepower and torque with easy maintenance and straightforward installation.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoto-molded HDPE intake tube:\u003c\/strong\u003e Expands airflow to the engine for improved throttle response and power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversized oiled cotton high-flow air filter:\u003c\/strong\u003e Washable and reusable design cleans every 100000 miles under normal highway driving conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom heat shield:\u003c\/strong\u003e Shields incoming air from hot engine bay temperatures to maintain optimal intake air density\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed power increase:\u003c\/strong\u003e Provides measurable horsepower and torque gains across the RPM range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-Hassle Lifetime Limited Warranty:\u003c\/strong\u003e Covers the entire system for lasting protection and peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces factory air filter and intake tube with no vehicle modifications needed\u003c\/li\u003e\n\u003cli\u003eFilter service interval reaches 100000 miles with regular highway use and simple cleaning process\u003c\/li\u003e\n\u003cli\u003ePackages securely to prevent damage during transit with protective foam inserts\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\u003eCompletes in 60 minutes or less using basic hand tools like screwdriver and pliers\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary hardware and fits directly without cutting or drilling\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\u003e2003\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eExpedition\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eExpedition\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eLincoln\u003c\/td\u003e\n\u003ctd\u003eNavigator\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003eLincoln\u003c\/td\u003e\n\u003ctd\u003eNavigator\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\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 engineering air intake systems for street and racing applications\u003c\/li\u003e\n\u003cli\u003eHigh-flow filtration traps dirt while allowing maximum airflow through oiled media\u003c\/li\u003e\n\u003cli\u003ePrecision fitment tested on actual vehicles for bolt-on reliability\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 2004 Lincoln Navigator 5.4L V8?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 57-2551 installs on all 2003-2004 Lincoln Navigator 5.4L V8 models including Base, Premium, and Ultimate trims with no modifications\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in the intake tube and filter?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Features a high-density polyethylene HDPE roto-molded tube for durability and an oiled cotton gauze filter media for superior flow and capture\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 Backed by K\u0026amp;N No-Hassle Lifetime Limited Warranty with filter cleaning required only every 100000 miles under normal 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 Ground shipping via UPS 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 box 23.75 x 12.25 x 12.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.1 lbs shipped\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":41202966986831,"sku":"KNN57-2551","price":367.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/kn-03-04-lincoln-navigator-v8-5_4l-dohc-performance-intake-kit-kn-engineering.jpg?v=1767000154","url":"https:\/\/www.blackopsautoworks.com\/products\/k-n-03-04-lincoln-navigator-v8-5-4l-dohc-performance-intake-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}