{"product_id":"catalytic-converter-for-chevrolet-impala-2014-2016-2-5l-front","title":"Catalytic Converter for Chevrolet Impala (2014-2016) 2.5L Front","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Catalytic Converter for 2014-2016 Chevrolet Impala (Epsilon II)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The front catalytic converter treats raw exhaust gases on the 2014-2016 Impala 2.5L to eliminate diagnostic trouble codes P0420 and P0430 while restoring correct exhaust backpressure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Impala Catalytic Converter Failure\u003c\/h3\u003e\n\u003cp\u003eOver heat cycles and extended mileage, the factory washcoat degrades, triggering efficiency codes P0420 and P0430 on the GM \u003cstrong\u003eEpsilon II\u003c\/strong\u003e chassis. Internal thermal fatigue, oil blow-by, or fuel trim imbalances fracture the original ceramic washcoat, causing substrate breakdown, internal rattling, and restricted exhaust flow that degrades fuel economy and throttle response on the \u003cstrong\u003e2.5L LCV Ecotec\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement front converter features a mandrel-formed stainless steel body engineered for heat tolerance and corrosion resistance. Inside, a high-flow ceramic honeycomb substrate coated with precious metals oxidizes carbon monoxide and unburnt hydrocarbons while reducing nitrogen oxides. Designed to bolt straight into the factory location, it features precision-welded 3-bolt inlet and 2-bolt outlet flanges, OEM hanger locations, and factory-positioned O2 sensor bungs to ensure leak-free sealing and precise air-fuel monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Catalytic Converter\u003c\/li\u003e\n  \u003cli\u003eFlange Gaskets\u003c\/li\u003e\n  \u003cli\u003eInstallation Bolts\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;\"\u003e2014-2016 Chevrolet Impala\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;\"\u003e2.5L LCV \/ Epsilon II\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;\"\u003e196 hp \/ 186 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;\"\u003e12627204, 12656263, 16788, 679-545\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\u003e2014 Chevrolet Impala 2.5L (Non-PZEV Models)\u003c\/li\u003e\n  \u003cli\u003e2015 Chevrolet Impala 2.5L (Non-PZEV Models)\u003c\/li\u003e\n  \u003cli\u003e2016 Chevrolet Impala 2.5L (Non-PZEV Models)\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 Epsilon II Impala?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2014-2016 Chevrolet Impala equipped with the \u003cstrong\u003e2.5L LCV\u003c\/strong\u003e engine. \u003cstrong\u003eDoes not fit Partial Zero Emissions Vehicle (PZEV) models or vehicles registered in California, Colorado, New York, or Maine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to fix active engine misfires before installation?\u003c\/h4\u003e\n\u003cp\u003eYes, any active misfires, coolant leaks, or unmetered oil burning must be resolved prior to installation to prevent unburnt fuel from overheating and melting the new ceramic substrate.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to factory geometry, this converter maintains compliant federal emissions operation and OEM exhaust velocity without altering factory engine calibration or drone characteristics.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67896159338744,"sku":"DS-ECDYZJS47","price":223.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-chevrolet-impala-2014-2016-2-5l-front-1.jpg?v=1793293291","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-chevrolet-impala-2014-2016-2-5l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}