{"product_id":"afe-magnumforce-intakes-stage-2-si-pds-ais-pds-ford-f-150-04-08-v8-5-4l","title":"04-08 Ford F-150 aFe 51-80512 Magnum FORCE Stage-2 Si Cold Air Intake System w\/ Pro DRY S Filter","description":"\u003ch2\u003e\u003cstrong\u003eaFe Magnum FORCE Stage-2 Si Cold Air Intake System w\/ Pro DRY S Filter - Part Number 51-80512\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe aFe Magnum FORCE Stage-2 Si Cold Air Intake System (Part Number 51-80512) is engineered to deliver substantial performance improvements for 2004-2008 Ford F-150 and 2006-2008 Lincoln Mark LT models equipped with the 5.4L V8 engine. Designed using extensive dyno testing, this premium sealed cold air intake system increases airflow by up to 69% over the factory intake, producing dyno-proven gains of up to 23 horsepower and 25 lb-ft of torque. The fully enclosed intake design helps reduce heat soak by drawing in cooler, denser air while maintaining excellent engine protection. Featuring a washable and reusable Pro DRY S synthetic air filter, a heat-insulating molded intake tube, and a durable rotomolded housing with a black powder-coated aluminum cover, this system offers an ideal combination of performance, durability, and low maintenance. Installation utilizes factory mounting locations with no ECU tuning required, making it an excellent upgrade for drivers seeking improved throttle response, stronger acceleration, and dependable long-term performance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDyno-proven gains of up to 23 horsepower and 25 lb-ft of torque.\u003c\/li\u003e\n\u003cli\u003eFlows up to 69% more air than the factory intake system.\u003c\/li\u003e\n\u003cli\u003eLarge 5-1\/2-inch conical Pro DRY S washable and reusable synthetic air filter.\u003c\/li\u003e\n\u003cli\u003eThree-layer progressive, non-oiled filter media provides excellent filtration with simple maintenance.\u003c\/li\u003e\n\u003cli\u003eFully sealed rotomolded plastic air box minimizes engine heat while maximizing cool air intake.\u003c\/li\u003e\n\u003cli\u003eBlack powder-coated aluminum cover allows convenient filter access during maintenance.\u003c\/li\u003e\n\u003cli\u003eAuxiliary air inlet scoop increases incoming air volume for improved airflow and throttle response.\u003c\/li\u003e\n\u003cli\u003eHeat-insulating molded intake tube is dyno tuned to maximize airflow velocity and engine efficiency.\u003c\/li\u003e\n\u003cli\u003eRetains factory emissions connections and mounting locations for a straightforward installation.\u003c\/li\u003e\n\u003cli\u003eNo ECU tuning required after installation.\u003c\/li\u003e\n\u003cli\u003eIncludes heat shield, mounting hardware, and installation components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImproves horsepower, torque, and overall engine performance throughout the RPM range.\u003c\/li\u003e\n\u003cli\u003eEnhances throttle response for quicker acceleration and a more responsive driving experience.\u003c\/li\u003e\n\u003cli\u003eDraws cooler, denser air to help improve combustion efficiency.\u003c\/li\u003e\n\u003cli\u003eWashable and reusable Pro DRY S filter reduces long-term replacement filter costs.\u003c\/li\u003e\n\u003cli\u003eSealed intake design helps protect the filter from hot underhood air.\u003c\/li\u003e\n\u003cli\u003eEngineered for reliable daily driving and towing applications.\u003c\/li\u003e\n\u003cli\u003eInstalls using factory mounting locations without permanent modifications.\u003c\/li\u003e\n\u003cli\u003eBacked by aFe POWER's Limited Lifetime Warranty for the intake system, with warranty coverage for manufacturing defects. Refer to the manufacturer's warranty policy for complete coverage details.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: aFe POWER\u003c\/li\u003e\n\u003cli\u003eProduct Line: Magnum FORCE Stage-2 Si Cold Air Intake System\u003c\/li\u003e\n\u003cli\u003ePart Number: 51-80512\u003c\/li\u003e\n\u003cli\u003eReplacement Air Filter: 21-90032\u003c\/li\u003e\n\u003cli\u003eOptional Pre-Filter: 28-10133\u003c\/li\u003e\n\u003cli\u003eAir Filter Size: 5-1\/2-inch conical with inverted top\u003c\/li\u003e\n\u003cli\u003eFilter Media: Non-woven synthetic (Pro DRY S)\u003c\/li\u003e\n\u003cli\u003eFilter Color: Gray\u003c\/li\u003e\n\u003cli\u003eFilter Type: Washable and reusable, non-oiled\u003c\/li\u003e\n\u003cli\u003eAir Box Style: Fully enclosed sealed housing\u003c\/li\u003e\n\u003cli\u003eHousing Material: Rotomolded plastic\u003c\/li\u003e\n\u003cli\u003eCover Material: Black powder-coated aluminum\u003c\/li\u003e\n\u003cli\u003eIntake Tube Material: Heat-insulating molded plastic\u003c\/li\u003e\n\u003cli\u003eHeat Shield: Integrated sealed housing\u003c\/li\u003e\n\u003cli\u003eMounting Hardware: Included\u003c\/li\u003e\n\u003cli\u003eHorsepower Gain: Up to 23 HP\u003c\/li\u003e\n\u003cli\u003eTorque Gain: Up to 25 lb-ft\u003c\/li\u003e\n\u003cli\u003eAirflow Increase: Up to 69% over stock\u003c\/li\u003e\n\u003cli\u003eECU Tuning Required: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eInstall Difficulty Level\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy.\u003c\/strong\u003e This intake system is designed as a direct bolt-on upgrade using factory mounting points and existing emissions connections. No cutting, drilling, or ECU tuning is required, making installation straightforward for most DIY enthusiasts using basic hand tools. Under normal conditions, installation can be completed in as little as \u003cstrong\u003e30 minutes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2004-2008 Ford F-150 5.4L V8 Gas\u003c\/li\u003e\n\u003cli\u003e2006-2008 Lincoln Mark LT 5.4L V8 Gas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCARB Approved\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis aFe POWER Magnum FORCE Stage-2 Si Cold Air Intake System is CARB approved for applicable vehicles and is covered under \u003cstrong\u003eCARB Executive Order (EO) D-550-15\u003c\/strong\u003e. This EO allows legal use on emissions-controlled vehicles for approved applications in all 50 states. Always verify the specific vehicle application before purchase.\u003c\/p\u003e\n\u003cp\u003eIf there are any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.\u003c\/p\u003e","brand":"aFe","offers":[{"title":"Default Title","offer_id":46113834074290,"sku":"AFE51-80512","price":376.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/51-80512a1600.webp?v=1784736321","url":"https:\/\/morepowertuning.com\/products\/afe-magnumforce-intakes-stage-2-si-pds-ais-pds-ford-f-150-04-08-v8-5-4l","provider":"More Power Tuning","version":"1.0","type":"link"}