{"product_id":"walker-18831-exhaust-muffler","title":"Walker 18831 Exhaust Muffler","description":"\u003ch2\u003eOverview of Walker SoundFX Direct Fit Exhaust Muffler 18831\u003c\/h2\u003e\u003cp\u003eThe Walker SoundFX Direct Fit Exhaust Muffler 18831 is designed specifically for select Buick, Cadillac, and Oldsmobile models. This oval-shaped muffler offers a precise fit and reliable performance for vehicles such as the Cadillac DeVille, Eldorado, and Buick Riviera.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for Buick, Cadillac, and Oldsmobile models\u003c\/li\u003e\n\u003cli\u003eOval body shape with aluminized steel construction\u003c\/li\u003e\n\u003cli\u003eInlet diameter: 2.5 inches; outlet diameter: 2.25 inches\u003c\/li\u003e\n\u003cli\u003eOffset inlet and outlet pipe connections for direct replacement\u003c\/li\u003e\n\u003cli\u003eOverall length of 24 inches with a body length of 21 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker SoundFX Direct Fit Product Line Details\u003c\/h2\u003e\u003cp\u003eThe SoundFX Direct Fit line by Walker focuses on providing mufflers engineered for exact vehicle fitment, eliminating the need for modifications. This product line emphasizes direct replacement parts that maintain factory exhaust configurations, ensuring compatibility and ease of installation. The 18831 muffler is part of this line, offering a combination muffler type with offset pipe connections tailored to specific vehicle models.\u003c\/p\u003e\u003ch2\u003eProduct Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis Walker exhaust muffler features a durable aluminized steel body with an oval shape measuring 9.75 inches in width and 4.25 inches in height. The muffler has a single inlet and outlet, both configured with offset pipe connections—2.5 inches inlet inside diameter and 2.25 inches outlet inside diameter. The inlet offset is 2.875 inches, designed to match the exhaust system layout of compatible vehicles. The overall length is 24 inches, with a body length of 21 inches, providing a precise fit for the intended applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Commercial Chassis and Riviera\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille, Eldorado, Fleetwood, Seville\u003c\/li\u003e\n\u003cli\u003eOldsmobile Toronado\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis muffler is intended for use in exhaust systems requiring a specific fit muffler with offset inlet and outlet pipe connections. It is suitable for replacing worn or damaged mufflers on the listed models to restore proper exhaust flow and noise reduction.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Walker 18831 Muffler\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive exhaust noise due to muffler wear or damage\u003c\/li\u003e\n\u003cli\u003eReduced engine performance from exhaust leaks\u003c\/li\u003e\n\u003cli\u003eCorrosion or rust compromising muffler integrity\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to exhaust system issues\u003c\/li\u003e\n\u003cli\u003eFitment problems with universal mufflers causing installation difficulties\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eThe Walker SoundFX Direct Fit 18831 muffler is designed for direct replacement with no modifications required. Ensure the inlet and outlet pipe diameters match the vehicle’s exhaust system (2.5 inches inlet, 2.25 inches outlet). The offset pipe connections require alignment during installation to maintain proper exhaust flow. Professional installation is recommended to verify secure mounting and leak-free connections.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eConstructed from aluminized steel, this muffler offers corrosion resistance suitable for regular driving conditions. Walker’s SoundFX Direct Fit line is engineered to meet OEM specifications for fit and function. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071726645429,"sku":"BDCN-18831","price":53.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18831_Fro.jpg?v=1775141944","url":"https:\/\/www.partcatalog.com\/products\/walker-18831-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}