{"product_id":"catalytic-converter-for-toyota-highlander-2001-2003-3-0l-front-center-rear","title":"Catalytic Converter for Toyota Highlander (2001-2003) 3.0L Front Center \u0026 Rear","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Replacement Catalytic Converter Set for 2001-2003 Toyota Highlander (XU20)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit catalytic converter set replaces the aged factory exhaust converters on the 2001-2003 Highlander to resolve catalyst efficiency DTCs and restore OE exhaust gas velocity.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Toyota Highlander Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eAfter decades of thermal cycling, factory ceramic cores on the \u003cstrong\u003eXU20\u003c\/strong\u003e chassis suffer from washcoat sintering, chemical contamination, and matrix breakdown. This thermal fatigue leads to internal substrate crumbling, exhaust restrictions, and persistent P0420\/P0430 diagnostic trouble codes. A choked factory catalytic system introduces excessive exhaust backpressure directly at the cylinder heads, driving up combustion temperatures and strangling engine efficiency on the \u003cstrong\u003e1MZ-FE\u003c\/strong\u003e 3.0L V6.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis three-piece emissions replacement assembly features durable stainless steel bodies loaded with high-efficiency ceramic honeycomb monoliths engineered to Federal EPA flow specifications. Designed to match original packaging tolerances, each component features precision-welded 2-bolt flanges, heavy-gauge inlet and outlet necks, and factory-located mounting points to guarantee true bolt-in installation. Restoring designed exhaust scavenging, these units safely manage hydrocarbon, CO, and NOx reduction without restricting exhaust gas expansion.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Front Catalytic Converter (Part #\u003cstrong\u003e16191\u003c\/strong\u003e: 3.5\" x 3.5\" x 5.25\" body, 2-bolt welded flanges, 11.875\" OAL)\u003c\/li\u003e\n  \u003cli\u003e1 Center Catalytic Converter (Part #\u003cstrong\u003e641174\u003c\/strong\u003e: 2-bolt welded flange inlet\/outlet with gasket stub, 21.5\" OAL)\u003c\/li\u003e\n  \u003cli\u003e1 Rear Catalytic Converter (Part #\u003cstrong\u003e16121\u003c\/strong\u003e: 4.125\" x 8\" round body, 2-bolt welded flange inlet, 2.25\" OD outlet, 20\" OAL)\u003c\/li\u003e\n\u003c\/ul\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: solid font-size: min-width:\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;\"\u003e2001-2003 Toyota Highlander\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\u003e1MZ-FE\u003c\/strong\u003e 3.0L V6 \/ \u003cstrong\u003eXU20\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;\"\u003e220 hp \/ 222 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\u003e16191\u003c\/strong\u003e, \u003cstrong\u003e641174\u003c\/strong\u003e, \u003cstrong\u003e16121\u003c\/strong\u003e, \u003cstrong\u003e40236\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\u003e2001 Toyota Highlander 3.0L V6 FWD \/ AWD (Base, Limited)\u003c\/li\u003e\n  \u003cli\u003e2002 Toyota Highlander 3.0L V6 FWD \/ AWD (Base, Limited)\u003c\/li\u003e\n  \u003cli\u003e2003 Toyota Highlander 3.0L V6 FWD \/ AWD (Base, Limited)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the XU20 Highlander?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2001-2003 Toyota Highlander equipped with the \u003cstrong\u003e1MZ-FE\u003c\/strong\u003e 3.0L V6 engine. \u003cstrong\u003eThis kit does not fit models equipped with the 2.4L 4-cylinder engine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eIs this catalytic converter kit CARB-approved for California emissions?\u003c\/h4\u003e\n\u003cp\u003eNo, this is an EPA Federal direct-fit assembly and is not legal for sale or operational use in California, Colorado, New York, or Maine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Toyota Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-mileage reliability, this full replacement exhaust solution withstands extreme road-salt corrosion and severe thermal cycling while maintaining optimal engine scavenging and clean emissions performance.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67592005681400,"sku":"DS-EN8VE6E1D","price":186.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-toyota-highlander-2001-2003-3-0l-front-center-rear-1.jpg?v=1791396099","url":"https:\/\/performancechiptuning.com\/es\/products\/catalytic-converter-for-toyota-highlander-2001-2003-3-0l-front-center-rear","provider":"Performance Chip Tuning","version":"1.0","type":"link"}