{"product_id":"walker-16891-catalytic-converter-rear","title":"Walker 16891 Catalytic Converter - Rear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eWalker EPA Ultra Direct-Fit Catalytic Converter 16891 is a specific-fit exhaust replacement for select Honda Odyssey applications. It is built to meet EPA standards and uses a stainless steel body with a ceramic substrate for direct-fit service on OBDII vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit catalytic converter for specific applications\u003c\/li\u003e\n\u003cli\u003eStainless steel body with a round housing profile\u003c\/li\u003e\n\u003cli\u003eCeramic substrate for exhaust aftertreatment performance\u003c\/li\u003e\n\u003cli\u003e3-bolt welded flange inlet and outlet connections\u003c\/li\u003e\n\u003cli\u003ePre-catalyst oxygen sensor location\u003c\/li\u003e\n\u003cli\u003eWalker EPA Ultra Direct-Fit product line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Walker catalytic converter, part number 16891, is engineered for 2016-2017 Honda Odyssey rear applications. The EPA Ultra Direct-Fit line focuses on application-specific exhaust replacement with compliance-oriented construction for import and domestic OBDII vehicles. The converter uses a stainless steel shell, a ceramic substrate, and welded flange connections to match the listed exhaust configuration. This part cross-references 644149 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailed catalytic converter efficiency codes\u003c\/li\u003e\n\u003cli\u003eExhaust restriction from a worn substrate\u003c\/li\u003e\n\u003cli\u003eEmissions test failure from converter deterioration\u003c\/li\u003e\n\u003cli\u003eExhaust leaks at flange connection points\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFits 2016-2017 Honda Odyssey, rear. Fitment notes specify Fed. \u0026amp; Calif. emission models, with restrictions for California and other CARB-compliant states. An exhaust gasket is recommended, and additional parts are listed as required to complete installation. Verify the flange style, oxygen sensor location, and emission requirements before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Ultra Direct-Fit catalytic converters are positioned as EPA-compliant replacement parts for OBDII vehicles, with application-specific construction intended to match the listed exhaust configuration.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":53305454198965,"sku":"BDCN-16891","price":396.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_16891_Fro.jpg?v=1789622994","url":"https:\/\/www.partcatalog.com\/products\/walker-16891-catalytic-converter-rear","provider":"PartCatalog","version":"1.0","type":"link"}