{"product_id":"catalytic-converter-for-jaguar-xj-2013-2017-3-0l","title":"Catalytic Converter for Jaguar XJ (2013-2017) 3.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Stainless Catalytic Converter Pair for 2013-2017 Jaguar XJ (X351)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This direct-fit left and right catalytic converter pair restores exhaust flow and emissions control on the 2013-2017 Jaguar XJ \u003cstrong\u003eX351\u003c\/strong\u003e with the \u003cstrong\u003eAJ126 3.0L Supercharged V6\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eThe Stock Jaguar XJ Catalyst Failure\u003c\/h3\u003e\u003cp\u003eOn the \u003cstrong\u003eX351\u003c\/strong\u003e chassis equipped with the \u003cstrong\u003eAJ126 3.0L Supercharged V6\u003c\/strong\u003e, sustained thermal load and heat soak degrade the factory ceramic substrate. Thermal shock eventually fractures the internal honeycomb brick and depletes its precious-metal washcoat. Unconverted exhaust gas then triggers \u003cstrong\u003eP0420\u003c\/strong\u003e and \u003cstrong\u003eP0430\u003c\/strong\u003e catalyst-efficiency fault codes at the downstream O2 sensors. Loose substrate fragments also rattle inside the shell and choke exhaust scavenging.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Catalytic Converter\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Triggers \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e from depleted oxygen storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetallic Rattle:\u003c\/strong\u003e Audible buzzing under load from a fractured core.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackpressure \u0026amp; Compliance:\u003c\/strong\u003e Choked exhaust flow and failed emissions tests.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Stainless Catalytic Converter Solution\u003c\/h3\u003e\u003cp\u003eThis complete left and right assembly replaces both banks using stainless steel bodies and pipes that resist rust and heat cracking. Each 8-inch-long by 5-inch-tall canister houses a ceramic honeycomb substrate with a precious-metal washcoat for efficient HC, CO, and NOx conversion. Factory flanges, mounting brackets, and pre- and post-catalyst O2 sensor bungs provide bolt-on geometry. This \u003cstrong\u003eEPA Federal\u003c\/strong\u003e OBD-II unit restores flow without cutting or welding.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 x Catalytic Converter Pipes (Left and Right)\u003c\/li\u003e\n\u003cli\u003eBolts, Nuts, and Washers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\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;\"\u003e2013-2017 Jaguar XJ\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;\"\u003eAJ126 3.0L Supercharged V6 \/ X351\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;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEPA Federal (46-State Legal) \/ Ceramic Honeycomb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eInstallation Type\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDirect Bolt-On OEM Replacement (No Cutting or Welding)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2013-2017 Jaguar XJ \u0026amp; XJL 3.0L Supercharged V6 (RWD \u0026amp; AWD)\u003c\/li\u003e\n\u003cli\u003eCompatible Trims: Base, Premium, Portfolio, R-Sport\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the X351 XJ?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 2013-2017 Jaguar XJ equipped with the \u003cstrong\u003eAJ126 3.0L Supercharged V6\u003c\/strong\u003e engine (including XJL and AWD). \u003cstrong\u003eExcludes the 5.0L V8; not CARB-legal for vehicles registered in CA, NY, CO, or ME.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0420\/P0430 codes, and are O2 sensors included?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, if the converter failed, though O2 sensors are excluded.\u003c\/strong\u003e Reuse or replace sensors in the factory bungs after inspecting for upstream exhaust leaks.\u003c\/p\u003e\u003ch4\u003eWhat hardware is included for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBolts, nuts, and washers are included.\u003c\/strong\u003e Apply penetrating oil to cool manifold bolts, install new gaskets, and torque fasteners evenly.\u003c\/p\u003e\u003ch3\u003eThe Jaguar Precision Standard\u003c\/h3\u003e\u003cp\u003eBuilt for accurate ECU emissions feedback and CEL-free operation on the \u003cstrong\u003eX351\u003c\/strong\u003e, this pair restores balanced flow. Replacing both banks protects fuel-trim stability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68090065322232,"sku":"DS-EA2S5UYX9","price":404.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-jaguar-xj-2013-2017-3-0l-1.jpg?v=1794585963","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-jaguar-xj-2013-2017-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}