{"product_id":"walker-83397-catalytic-converter-with-integrated-exhaust-manifold-front","title":"Walker 83397 Catalytic Converter with Integrated Exhaust Manifold - Front","description":"\u003ch2\u003eOverview of Walker CalCat Catalytic Converter 83397\u003c\/h2\u003e\u003cp\u003eThe Walker CalCat Catalytic Converter with Integrated Exhaust Manifold (part number 83397) is designed specifically for Nissan Altima models from 2004 to 2006. This catalytic converter meets California Air Resources Board (CARB) standards, ensuring compliance with emissions regulations while maintaining reliable exhaust performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Nissan Altima 2004-2006\u003c\/li\u003e\n\u003cli\u003eCARB Executive Order Number D-182-63 certified\u003c\/li\u003e\n\u003cli\u003eIntegrated exhaust manifold design\u003c\/li\u003e\n\u003cli\u003eStainless steel converter body with ceramic substrate\u003c\/li\u003e\n\u003cli\u003e5 bolt welded flange inlet and 2 bolt welded flange outlet\u003c\/li\u003e\n\u003cli\u003eOverall length of 19.5 inches with a 4-inch converter body\u003c\/li\u003e\n\u003cli\u003eRound body shape with oval inlet and round outlet port shapes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line: Walker CalCat\u003c\/h2\u003e\u003cp\u003eThe CalCat product line by Walker focuses on catalytic converters that integrate the exhaust manifold for streamlined installation and improved fitment. This design reduces the number of connections in the exhaust system, which can help minimize potential leak points. The CalCat line is engineered to meet strict emissions standards, including CARB certification, making it suitable for vehicles requiring compliance with California regulations.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker CalCat catalytic converter (part number 83397) features a stainless steel body that provides durability and resistance to corrosion. The ceramic substrate inside the converter body facilitates effective catalytic reactions to reduce harmful emissions. The converter body measures 4 inches in length, width, and height, with an overall length of 19.5 inches, ensuring proper fitment within the exhaust system of Nissan Altima models from 2004 to 2006. The inlet uses a 5 bolt welded flange with an oval port shape, while the outlet has a 2 bolt welded flange with a round port shape, designed for secure and precise connections.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for faulty or damaged catalytic converters on Nissan Altima 2004-2006\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to emissions\u003c\/li\u003e\n\u003cli\u003eReduces harmful exhaust emissions to meet CARB standards\u003c\/li\u003e\n\u003cli\u003eImproves exhaust flow and engine performance by restoring proper catalytic function\u003c\/li\u003e\n\u003cli\u003eAddresses exhaust leaks caused by manifold or converter damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker CalCat catalytic converter 83397, ensure compatibility with Nissan Altima models from 2004 to 2006. The integrated exhaust manifold design simplifies installation by reducing the number of components. Use proper torque specifications for the 5 bolt welded flange inlet and 2 bolt welded flange outlet to prevent exhaust leaks. It is recommended to inspect surrounding exhaust components for wear or damage during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Certification\u003c\/h2\u003e\u003cp\u003eThis catalytic converter is CARB certified under Executive Order Number D-182-63, confirming it meets California emissions standards. The stainless steel construction and ceramic substrate provide durability and reliable performance. Walker backs the CalCat line with quality manufacturing standards, ensuring the part meets OEM specifications for fit and function.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52073594781877,"sku":"BDCN-83397","price":717.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_83397_Fro.jpg?v=1775142710","url":"https:\/\/www.partcatalog.com\/products\/walker-83397-catalytic-converter-with-integrated-exhaust-manifold-front","provider":"PartCatalog","version":"1.0","type":"link"}