{"product_id":"ap-exhaust-641639-catalytic-converter-with-integrated-exhaust-manifold-front","title":"AP Exhaust 641639 Catalytic Converter with Integrated Exhaust Manifold - Front","description":"\u003ch2\u003eDirect-Fit Exhaust Manifold Converter\u003c\/h2\u003e\u003cp\u003eAP Exhaust 641639 is a Federal \/ EPA direct-fit catalytic converter with integrated exhaust manifold for front applications. It is built for a welded-flange connection layout and matches the original-style exhaust routing used on supported vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFederal \/ EPA direct-fit converter for straightforward replacement.\u003c\/li\u003e\n\u003cli\u003eIntegrated exhaust manifold design in a single assembly.\u003c\/li\u003e\n\u003cli\u003eWelded flange inlet and outlet connections for a secure exhaust seal.\u003c\/li\u003e\n\u003cli\u003eIncludes inlet gasket and inlet hardware details listed in the product data.\u003c\/li\u003e\n\u003cli\u003eFits front applications on supported Buick, Chevrolet, and GMC models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis AP Exhaust catalytic converter with integrated exhaust manifold is engineered for vehicles that require a direct-fit emissions replacement. Part number 641639 is listed for 2018-2020 Buick Regal Sportback, 2018-2020 Buick Regal TourX, 2018-2020 Chevrolet Equinox, and 2018-2020 GMC Terrain, all in front position applications with Federal and California emissions notes shown in the fitment data. The welded 4-bolt inlet flange and welded 2-bolt outlet flange support an OE-style exhaust connection layout.\u003c\/p\u003e\u003cp\u003eThe Direct Fit Converter w\/ Manifold line focuses on replacing the converter and manifold assembly as a matched unit, which helps simplify sourcing when the original design uses an integrated configuration. AP Exhaust 641639 is a practical choice for buyers searching for a catalytic converter with integrated exhaust manifold for a Chevrolet Equinox, GMC Terrain, or Buick Regal Sportback\/TourX application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or failed catalytic converter assembly.\u003c\/li\u003e\n\u003cli\u003eRestoring proper exhaust flow through an integrated manifold design.\u003c\/li\u003e\n\u003cli\u003eAddressing exhaust leaks at welded flange connection points.\u003c\/li\u003e\n\u003cli\u003eServing front-position emissions repair needs on supported vehicles.\u003c\/li\u003e\n\u003cli\u003eMatching direct-fit replacement requirements for listed applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s emissions configuration and compare the existing flange style before installation. This part uses welded flange connections and is listed with inlet hardware and an inlet gasket in the product attributes. Confirm fitment by year, make, model, and position before ordering AP Exhaust 641639.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eAP Exhaust 641639 is a Federal \/ EPA direct-fit converter, and the product line is positioned as a direct-fit replacement solution for integrated manifold applications. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e","brand":"AP Exhaust","offers":[{"title":"Default Title","offer_id":53503700205749,"sku":"BBDL-641639","price":362.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AP_641639_Sid.jpg?v=1791611028","url":"https:\/\/www.partcatalog.com\/products\/ap-exhaust-641639-catalytic-converter-with-integrated-exhaust-manifold-front","provider":"PartCatalog","version":"1.0","type":"link"}