{"product_id":"walker-21551-exhaust-muffler","title":"Walker 21551 Exhaust Muffler","description":"\u003ch2\u003eOverview of Walker Quiet-Flow SS Exhaust Muffler 21551\u003c\/h2\u003e\u003cp\u003eThe Walker Quiet-Flow SS exhaust muffler 21551 is designed specifically for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Engineered with durable stainless steel and an aluminized finish, this muffler offers reliable performance and corrosion resistance tailored to your vehicle's exhaust system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for Chevrolet Express 2500\/3500 and GMC Savana 2500\/3500\u003c\/li\u003e\n\u003cli\u003eOval-shaped muffler body with 24\" length and 9\" width\u003c\/li\u003e\n\u003cli\u003eConstructed from stainless steel with aluminized finish for durability\u003c\/li\u003e\n\u003cli\u003eDual inlets with 3\" inside diameter and offset configuration\u003c\/li\u003e\n\u003cli\u003eSingle outlet with 2.625\" inside diameter and offset pipe connection\u003c\/li\u003e\n\u003cli\u003e3 bolt welded flange inlet and pipe connection types\u003c\/li\u003e\n\u003cli\u003eOverall length of 39.75\" with a body height of 7\"\u003c\/li\u003e\n\u003cli\u003eCombination muffler type designed for effective exhaust flow and noise reduction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker Quiet-Flow SS 21551 exhaust muffler is a specific fit part engineered for select Chevrolet and GMC full-size vans, including the Express 2500 and 3500, as well as the Savana 2500 and 3500. Its oval-shaped body measures 24 inches in length and 9 inches in width, with a height of 7 inches, providing a compact yet efficient design. The muffler features a combination type construction, balancing sound attenuation and exhaust flow.\u003c\/p\u003e\u003cp\u003eManufactured from stainless steel, the muffler body is finished with aluminized coating to resist corrosion and extend service life. The inlet configuration includes two inlets with 3-inch inside diameters, one with a 3-bolt welded flange and the other a pipe connection, both offset by 2.625 inches to match the vehicle's exhaust layout. The single outlet also has a 2.625-inch inside diameter with an offset pipe connection, ensuring proper fitment and exhaust flow.\u003c\/p\u003e\u003ch2\u003eAbout the Quiet-Flow SS Product Line\u003c\/h2\u003e\u003cp\u003eThe Walker Quiet-Flow SS line focuses on providing durable stainless steel mufflers designed to reduce exhaust noise while maintaining optimal exhaust flow. This product line combines corrosion-resistant materials with precise fitment specifications, making it suitable for specific vehicle applications like the Chevrolet Express and GMC Savana series. The 21551 muffler exemplifies the Quiet-Flow SS commitment to quality and vehicle-specific design.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or damaged mufflers on Chevrolet Express 2500\/3500 and GMC Savana 2500\/3500\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\u003c\/li\u003e\n\u003cli\u003eAddresses corrosion and rust issues common in older mufflers\u003c\/li\u003e\n\u003cli\u003eRestores proper exhaust flow for improved vehicle operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure compatibility with your Chevrolet Express or GMC Savana model before installation. The muffler features a 3-bolt welded flange and pipe connection inlets, requiring proper alignment with existing exhaust components. Due to the offset inlet and outlet configuration, careful measurement is recommended to confirm fitment. Professional installation is advised to maintain exhaust system integrity and performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker exhaust mufflers, including the Quiet-Flow SS 21551, are manufactured to meet or exceed OEM specifications. The stainless steel construction and aluminized finish provide enhanced durability against corrosion. While specific warranty details are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship. Refer to Walker's official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071753416885,"sku":"BDCN-21551","price":182.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_21551_Fro.jpg?v=1775142008","url":"https:\/\/www.partcatalog.com\/products\/walker-21551-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}