{"product_id":"catalytic-converter-for-jeep-liberty-2005-2007-3-7l-front","title":"Catalytic Converter for Jeep Liberty (2005-2007) 3.7L Front","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Catalytic Converter Assembly for 2005-2007 Jeep Liberty (KJ)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The front direct-fit catalytic converter assembly replaces degraded OEM exhaust scrubbers on the 2005-2007 Liberty to eliminate catalyst-efficiency trouble codes, restore uninhibited exhaust scavenging, and maintain legal emissions compliance.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Jeep Liberty Catalyst Degradation \u0026amp; Flow Choke\u003c\/h3\u003e\n\u003cp\u003eFactory catalytic converters on the \u003cstrong\u003eKJ\u003c\/strong\u003e platform succumb to long-term thermal cycling, oil wash from PCV vapor, and mechanical vibration over rough terrain. In the high-operating-temperature environment of the \u003cstrong\u003e3.7L PowerTech V6\u003c\/strong\u003e, the stock ceramic monolith fractures or fouls, causing substrate sintering. This restriction creates severe exhaust backpressure, spikes cylinder head thermal load, reduces power output, and triggers persistent P0420\/P0430 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a bolt-on replacement for factory parts \u003cstrong\u003e52404\u003c\/strong\u003e, \u003cstrong\u003e52405\u003c\/strong\u003e, and \u003cstrong\u003e50344\u003c\/strong\u003e, this front Y-pipe assembly features dual high-flow ceramic honeycomb substrates encased in corrosion-resistant stainless steel shells. CNC mandrel-bent downpipes ensure laminar exhaust gas transition, reducing boundary layer turbulence. Precision-stamped OEM-style flanges and factory-positioned O2 sensor bungs eliminate the need for custom fabrication or cutting, maintaining structural integrity across rigorous duty cycles.\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;\"\u003e2005-2007 Jeep Liberty\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;\"\u003e3.7L PowerTech V6 (EKG) \/ KJ\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;\"\u003e210 hp \/ 235 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;\"\u003e52404, 52405, 50344\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\u003e2005-2007 Jeep Liberty Sport 3.7L V6 Gas\u003c\/li\u003e\n  \u003cli\u003e2005-2007 Jeep Liberty Limited 3.7L V6 Gas\u003c\/li\u003e\n  \u003cli\u003e2005-2007 Jeep Liberty Renegade 3.7L V6 Gas\u003c\/li\u003e\n  \u003cli\u003eConfiguration: Front position Y-pipe converter assembly (Left and Right bank)\u003c\/li\u003e\n  \u003cli\u003eExclusion: Does not fit 2.8L CRD Turbo Diesel models\u003c\/li\u003e\n  \u003cli\u003eEmissions Standard: EPA 46-State legal (Not CARB-compliant; not legal for sale or street 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 KJ Liberty?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2005-2007 Jeep Liberty equipped with the 3.7L PowerTech V6 engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this unit turn off the P0420 and P0430 CEL codes?\u003c\/h4\u003e\n\u003cp\u003eYes, the active washcoat substrate restores required oxygen storage capacity to keep downstream oxygen sensor signals within factory operating thresholds.\u003c\/p\u003e\n\n\u003ch3\u003eThe Jeep Trail Durability Standard\u003c\/h3\u003e\n\u003cp\u003eConstructed to endure rigorous off-camber torsion, gravel impact, and heavy payload towing, this assembly delivers heavy-gauge stainless protection and vibration resistance required for continuous trail and highway use.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67537814978808,"sku":"DS-E77CKZJWQ","price":234.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-jeep-liberty-2005-2007-3-7l-front-1.jpg?v=1790617797","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-jeep-liberty-2005-2007-3-7l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}