{"product_id":"catalytic-converter-for-kia-optima-2002-2006-2-7l-rear","title":"Catalytic Converter for Kia Optima (2002-2006) 2.7L Rear","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Rear Catalytic Converter \u0026amp; Flex Y-Pipe for 2002-2006 Kia Optima (MS)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit rear catalytic converter replaces degraded factory emissions plumbing and fractured flex joints on the 2002-2006 Kia Optima to restore proper exhaust velocity, eliminate severe cabin exhaust odor, and clear efficiency-related Diagnostic Trouble Codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Kia Optima Exhaust Deterioration\u003c\/h3\u003e\n\u003cp\u003eOver extended thermal cycles, the factory Y-pipe on the \u003cstrong\u003eMS\u003c\/strong\u003e chassis suffers from severe mechanical fatigue. Constant engine pitch under load stresses the OEM braided flex sections, causing internal bellow ruptures, audible exhaust leaks, and false lean readings at downstream O2 sensors. Concurrently, high-mileage \u003cstrong\u003eDelta G6BA\u003c\/strong\u003e engines frequently experience washcoat thermal degradation or carbon fouling within the rear catalytic substrate. This breakdown increases exhaust backpressure, impedes scavenging efficiency, and inevitably triggers persistent P0420\/P0430 DTC illumination.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a bolt-on assembly, this rear flex Y-pipe and converter unit utilizes a heavy-gauge stainless steel outer shell designed to withstand corrosive road brine and high operating temperatures. The integrated dual-braid flex joints isolate powertrain rocking to prevent localized flange cracking. Internally, a high-flow monolithic ceramic honeycomb substrate is coated with a high-activity washcoat to ensure efficient hydrocarbon and carbon monoxide conversion rates while maintaining factory backpressure tolerances. Precision-machined, thick-gauge flanges and direct OE-routed hanger brackets eliminate custom fabrication and ensure a leak-free seal against mating manifolds.\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;\"\u003e2002-2006 Kia Optima\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;\"\u003eDelta G6BA 2.7L V6 \/ MS\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;\"\u003e170 hp \/ 181 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;\"\u003e50479, 55488956\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\u003e2002 Kia Optima 2.7L V6 (MS Platform)\u003c\/li\u003e\n  \u003cli\u003e2003 Kia Optima 2.7L V6 (MS Platform)\u003c\/li\u003e\n  \u003cli\u003e2004 Kia Optima 2.7L V6 (MS Platform)\u003c\/li\u003e\n  \u003cli\u003e2005 Kia Optima 2.7L V6 (MS Platform)\u003c\/li\u003e\n  \u003cli\u003e2006 Kia Optima 2.7L V6 (MS Platform, Non-Hybrid)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the MS Optima?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2002-2006 Kia Optima equipped with the \u003cstrong\u003eDelta G6BA\u003c\/strong\u003e 2.7L V6 engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this converter extinguish my P0420 catalytic efficiency code?\u003c\/h4\u003e\n\u003cp\u003eYes, provided upstream fueling and secondary O2 sensors are functioning correctly, the high-density washcoat restores emissions reduction to clear converter-related check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003eThe Kia Commuter Standard\u003c\/h3\u003e\n\u003cp\u003eRestore genuine drivability, eliminate cabin-intruding fumes, and ensure smooth power delivery with a direct-replacement exhaust assembly built to OEM dimensional specs.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67537986519288,"sku":"DS-EE22SNBMJ","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-kia-optima-2002-2006-2-7l-rear-1.jpg?v=1790620468","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-kia-optima-2002-2006-2-7l-rear","provider":"Performance Chip Tuning","version":"1.0","type":"link"}