{"product_id":"walker-21422-exhaust-muffler","title":"Walker 21422 Exhaust Muffler","description":"\u003ch2\u003eWalker Quiet-Flow SS Muffler for Explorer and Mountaineer\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS muffler part number 21422 is a specific-fit exhaust muffler built with 100% stainless-steel construction for corrosion resistance and consistent exhaust performance. It is engineered for OE-style sound, precise fitment, and improved flow on select Ford Explorer and Mercury Mountaineer applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWalker Quiet-Flow SS line for OE-style exhaust sound and fit\u003c\/li\u003e\n\u003cli\u003e100% stainless-steel body construction\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for direct application matching\u003c\/li\u003e\n\u003cli\u003eOval muffler shape with combination muffler design\u003c\/li\u003e\n\u003cli\u003e2.25 in. inlet and 2.25 in. outlet pipe connection\u003c\/li\u003e\n\u003cli\u003eOffset inlet and offset outlet configuration\u003c\/li\u003e\n\u003cli\u003eBody dimensions: 24 in. length, 9 in. width, 7 in. height\u003c\/li\u003e\n\u003cli\u003eAluminized finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Walker Quiet-Flow SS product line is built for drivers who want a replacement exhaust muffler that follows OE-style sound characteristics while maintaining stainless-steel durability. Part number 21422 uses a specific-fit layout with a 2.25-inch inlet and outlet, offset connections, and an oval body profile to match the listed vehicle applications. This muffler is a direct-fit exhaust solution for 2002-2005 Ford Explorer, 2002-2005 Mercury Mountaineer, and 2002-2003 Ford Explorer without Sport Package. This part cross-references Anchor 2409 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust noise from a worn or rusted muffler\u003c\/li\u003e\n\u003cli\u003eReduced exhaust flow caused by internal muffler deterioration\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing a factory-style muffler\u003c\/li\u003e\n\u003cli\u003eCorrosion-related failure in the exhaust system\u003c\/li\u003e\n\u003cli\u003eLoss of OE-style exhaust tone after muffler damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, make, model, and package details before installation. Fits 2002-2005 Ford Explorer, N\/A; Fits 2002-2005 Mercury Mountaineer, N\/A; Fits 2002-2003 Ford Explorer, N\/A without Sport Package. Confirm the 2.25-inch pipe connection size and offset inlet\/outlet configuration against the existing exhaust layout before welding or final assembly. If the exhaust uses a welded assembly, replace all required related parts during service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS mufflers are manufactured with stainless-steel construction and are positioned as a premium exhaust replacement option with OE-style sound characteristics. Part number 21422 is listed for select Ford Explorer and Mercury Mountaineer applications and is backed by a limited lifetime warranty where applicable.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071748075701,"sku":"BDCN-21422","price":113.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_21422_Fro.jpg?v=1775141996","url":"https:\/\/www.partcatalog.com\/products\/walker-21422-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}