{"product_id":"catalytic-converter-for-ford-f-150-2015-2018-3-5l-left-right","title":"Catalytic Converter for Ford F-150 (2015-2018) 3.5L Left \u0026 Right","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Left \u0026amp; Right Catalytic Converter Set for 2015-2018 Ford F-150 (P552)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Left \u0026amp; Right Catalytic Converter Set replaces worn or clogged factory converters on the 2015-2018 Ford F-150 to restore exhaust flow velocity, clear emissions trouble codes, and maintain factory backpressure levels.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford F-150 Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eUnder repeated towing loads and extended thermal cycling, the factory converter substrates on the \u003cstrong\u003eP552\u003c\/strong\u003e platform suffer internal thermal breakdown and carbon fouling. High exhaust gas temperatures from sustained twin-turbo boost degrade the original ceramic monolith, causing internal crumbling, exhaust choking, and persistent catalyst system efficiency trouble codes such as \u003cstrong\u003eP0420\u003c\/strong\u003e and \u003cstrong\u003eP0430\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-on replacement, this converter pair features heavy-gauge \u003cstrong\u003eStainless Steel\u003c\/strong\u003e outer shells built to resist thermal expansion stress and corrosive road elements. High-efficiency \u003cstrong\u003eCeramic\u003c\/strong\u003e honeycomb substrates with targeted washcoats provide optimal catalytic reaction surface area to eliminate emissions faults without choking turbine discharge. Precision-aligned inlet and outlet flanges mirror OEM geometry to eliminate custom welding or pipe expansion during installation.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2015-2018 Ford F-150\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e3.5L EcoBoost\u003c\/strong\u003e \/ \u003cstrong\u003eP552\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e365-375 hp \/ 420-470 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e21-474\u003c\/strong\u003e, \u003cstrong\u003e21-475\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2015-2018 Ford F-150 3.5L EcoBoost Turbo V6 (XL, XLT, Lariat, King Ranch, Platinum, Limited)\u003c\/li\u003e\n  \u003cli\u003eLeft (Driver) and Right (Passenger) bank complete assembly\u003c\/li\u003e\n  \u003cli\u003eDoes not fit High-Output 3.5L Raptor configurations\u003c\/li\u003e\n  \u003cli\u003eEPA compliant (46-state legal; not legal for sale or use in CA, NY, CO, or ME)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the P552 F-150?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2015-2018 Ford F-150 equipped with the \u003cstrong\u003e3.5L EcoBoost\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this resolve catalyst efficiency CEL codes?\u003c\/h4\u003e\n\u003cp\u003eYes, this replacement set restores factory chemical conversion efficiency to eliminate P0420 and P0430 diagnostic trouble codes when installed with operational oxygen sensors.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Hauling Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned to handle severe-duty payload demands, this catalytic assembly preserves engine scavenge dynamics to safeguard turbocharger longevity and maintain reliable pulling power under full boost.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67537939235064,"sku":"DS-EHGRALSU7","price":211.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-ford-f-150-2015-2018-3-5l-left-right-1.jpg?v=1790619770","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-ford-f-150-2015-2018-3-5l-left-right","provider":"Performance Chip Tuning","version":"1.0","type":"link"}