{"product_id":"catalytic-converter-for-ford-f-150-2006-2008-5-4l-front-left-right","title":"Catalytic Converter for Ford F-150 (2006-2008) 5.4L Front Left \u0026 Right","description":"\u003ch2\u003eDirect-Fit Front Left \u0026amp; Right Catalytic Converter for 2006-2008 Ford F-150\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The front catalytic converter assembly restores proper exhaust gas scrubbing and unrestricted exhaust flow on the 2006-2008 Ford F-150 to eliminate emissions-related trouble codes and recover lost low-end torque.\u003c\/p\u003e\u003ch3\u003eThe Stock Ford F-150 Catalyst Deterioration\u003c\/h3\u003e\u003cp\u003eUnder demanding work cycles and high cylinder-head heat typical of the \u003cstrong\u003e5.4L 3V Triton\u003c\/strong\u003e, factory catalytic converters endure severe thermal cycling and oil vapor contamination. Over time, high exhaust gas temperatures and intermittent ignition coil misfires degrade the factory washcoat, leading to catalyst sintering, internal substrate fracturing, and chronic \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e diagnostic trouble codes. Excessive backpressure from collapsed OEM monoliths chokes exhaust scavenge velocity, significantly impairing mid-range pulling power and accelerating manifold gasket failures on the \u003cstrong\u003eP221\u003c\/strong\u003e chassis.\u003c\/p\u003e\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\u003cp\u003eThis dual front left and right converter assembly is engineered with a heavy-gauge, corrosion-resistant stainless steel body designed to withstand harsh road brine and elevated exhaust temperatures. Internally, a durable ceramic honeycomb substrate provides maximum surface area contact for efficient catalytic reduction while maintaining low backpressure dynamics. Precision-machined, direct-fit mounting flanges mate directly to the factory downpipes and manifold studs without requiring cutting or custom TIG welding. Integrated oxygen sensor bungs are oriented in the original factory geometry to ensure proper downstream sensor readings and prevent recurring catalyst efficiency check engine lights.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\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;\"\u003e2006-2008 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\u003e5.4L 3V Triton\u003c\/strong\u003e \/ \u003cstrong\u003eP221\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;\"\u003e300 hp \/ 365 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\u003cstrong\u003eFCE50553-53569\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2006-2008 Ford F-150 XL 5.4L V8\u003c\/li\u003e\n\u003cli\u003e2006-2008 Ford F-150 XLT 5.4L V8\u003c\/li\u003e\n\u003cli\u003e2006-2008 Ford F-150 Lariat 5.4L V8\u003c\/li\u003e\n\u003cli\u003e2006-2008 Ford F-150 FX4 5.4L V8\u003c\/li\u003e\n\u003cli\u003e2006-2008 Ford F-150 King Ranch 5.4L V8\u003c\/li\u003e\n\u003cli\u003e2008 Ford F-150 Limited 5.4L V8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this fit the P221 F-150?\u003c\/strong\u003e\u003cbr\u003eYes, this is a direct fit for the 2006-2008 Ford F-150 equipped with the \u003cstrong\u003e5.4L 3V Triton\u003c\/strong\u003e engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this clear P0420 and P0430 catalyst efficiency codes?\u003c\/strong\u003e\u003cbr\u003eYes, replacing deteriorated factory units with this active ceramic substrate assembly restores standard chemical conversion efficiency and clears downstream sensor fault codes when ignition systems operate within spec.\u003c\/p\u003e\u003ch3\u003eThe Ford Towing Standard\u003c\/h3\u003e\u003cp\u003eBuilt for the heavy payload and towing demands placed on the half-ton platform, this direct-fit catalytic converter delivers heavy-duty exhaust containment and sustained thermal integrity across extreme duty cycles.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50502192726264,"sku":"DS-E5JNK5311","price":437.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-ford-f-150-2006-2008-5-4l-front-left-right-1.jpg?v=1789339016","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-ford-f-150-2006-2008-5-4l-front-left-right","provider":"Performance Chip Tuning","version":"1.0","type":"link"}