{"product_id":"walker-18989-exhaust-muffler","title":"Walker 18989 Exhaust Muffler","description":"\u003ch2\u003eOverview of Walker SoundFX Direct Fit Exhaust Muffler 18989\u003c\/h2\u003e\u003cp\u003eThe Walker SoundFX Direct Fit Exhaust Muffler 18989 is designed specifically for Chevrolet and GMC full-size vans, including Express 1500, 2500, 3500 and Savana 1500, 2500, 3500 models. This reflection-type muffler offers a precise fit and reliable performance for your vehicle's exhaust system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for Chevrolet Express and GMC Savana vans\u003c\/li\u003e\n\u003cli\u003eReflection muffler type for effective sound attenuation\u003c\/li\u003e\n\u003cli\u003eOval-shaped aluminized steel body measuring 21\" length by 9\" width\u003c\/li\u003e\n\u003cli\u003eOffset inlet and outlet with 3-bolt welded flange and pipe connection\u003c\/li\u003e\n\u003cli\u003eDurable aluminized steel finish resists corrosion\u003c\/li\u003e\n\u003cli\u003eOverall length of 39.625\" with 7\" body height\u003c\/li\u003e\n\u003cli\u003eSingle inlet and outlet, both 2.75\" outside diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker SoundFX Direct Fit muffler (part number 18989) is engineered with a reflection muffler design that helps reduce exhaust noise while maintaining optimal exhaust flow. The oval-shaped body is constructed from aluminized steel, providing corrosion resistance and durability under typical driving conditions. The muffler features an offset inlet and outlet configuration, each with a 2.75-inch outside diameter, designed to match the exhaust layout of Chevrolet Express and GMC Savana vans. The inlet uses a 3-bolt welded flange for secure attachment, ensuring a specific fit without the need for universal adjustments. With an overall length of 39.625 inches and a body length of 21 inches, this muffler fits precisely within the exhaust system of the specified vehicles.\u003c\/p\u003e\u003ch2\u003eWalker SoundFX Direct Fit Product Line\u003c\/h2\u003e\u003cp\u003eThe SoundFX Direct Fit line by Walker focuses on providing vehicle-specific exhaust components that simplify installation and maintain factory-like performance. This product line emphasizes exact fitment and sound control, making it suitable for direct replacement applications on Chevrolet and GMC vans. The 18989 muffler exemplifies this approach by matching OEM specifications and mounting configurations.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged mufflers on Chevrolet Express and GMC Savana vans\u003c\/li\u003e\n\u003cli\u003eReduces excessive exhaust noise caused by muffler failure\u003c\/li\u003e\n\u003cli\u003ePrevents exhaust leaks that can affect engine performance and emissions\u003c\/li\u003e\n\u003cli\u003eRestores proper exhaust flow for improved vehicle operation\u003c\/li\u003e\n\u003cli\u003eAddresses corrosion or rust issues common in older mufflers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Walker SoundFX Direct Fit muffler 18989 requires matching the 3-bolt welded flange inlet and pipe connection outlet to the existing exhaust system. Ensure the offset inlet and outlet align correctly with the vehicle’s exhaust pipes to avoid stress on connections. This muffler is not reversible or tunable, so proper orientation is necessary. Professional installation is recommended to maintain exhaust system integrity and safety.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eConstructed from aluminized steel, this muffler offers resistance to corrosion and wear typical in exhaust components. Walker is a recognized brand in exhaust parts manufacturing, known for meeting OEM standards. While specific warranty details are not provided here, Walker products generally come with limited warranties covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071741128885,"sku":"BDCN-18989","price":104.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18989_Fro.jpg?v=1775141973","url":"https:\/\/www.partcatalog.com\/products\/walker-18989-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}