{"product_id":"walker-21423-exhaust-muffler","title":"Walker 21423 Exhaust Muffler","description":"\u003ch2\u003eWalker Quiet-Flow SS Muffler for GM SUVs\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS muffler Part Number 21423 is a specific-fit exhaust muffler built for select Chevrolet, GMC, and Cadillac applications. It uses 100% stainless-steel body construction with an oval case, center inlet, and offset outlet for OE-style sound and steady exhaust flow.\u003c\/p\u003e\u003cp\u003eThe Quiet-Flow SS line focuses on precision fit and a factory-like sound profile for domestic and import vehicles. For drivers searching for a stainless steel muffler for 2000-2006 Chevrolet Tahoe, 2000-2006 GMC Yukon, or 2002-2005 Cadillac Escalade, this Walker 21423 replacement is built around those vehicle-specific requirements.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for select GM full-size SUVs\u003c\/li\u003e\n\u003cli\u003e100% stainless-steel body construction\u003c\/li\u003e\n\u003cli\u003eOval muffler shape with a 28-inch overall length\u003c\/li\u003e\n\u003cli\u003e2.625-inch center inlet and 2.625-inch offset outlet\u003c\/li\u003e\n\u003cli\u003eCombination muffler design for OE-style exhaust tone\u003c\/li\u003e\n\u003cli\u003eWalker Quiet-Flow SS product line for precision fit and controlled flow\u003c\/li\u003e\n\u003cli\u003ePart Number 21423 for catalog and fitment lookup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS Part Number 21423 is an exhaust muffler engineered for direct replacement applications on select Chevrolet Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon, GMC Yukon XL 1500, and Cadillac Escalade models. The stainless-steel body helps resist corrosion, while the oval case and pipe-connection inlet and outlet dimensions support a factory-style exhaust layout. This muffler is configured with a center inlet and offset outlet, matching the vehicle-specific routing used on the listed applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references CSF 2306 for the same application. If you are replacing a worn or noisy muffler on a 2001-2006 Chevrolet Tahoe or a 2000-2006 GMC Yukon, Walker 21423 provides a direct-fit exhaust replacement option within the Quiet-Flow SS line.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust noise from a rusted or internally damaged muffler\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow caused by a deteriorated muffler core\u003c\/li\u003e\n\u003cli\u003eFitment issues when replacing a vehicle-specific factory muffler\u003c\/li\u003e\n\u003cli\u003eCorrosion-related failure in the original exhaust housing\u003c\/li\u003e\n\u003cli\u003eFactory exhaust tone that has become louder or uneven\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the inlet and outlet configuration before installation: this muffler uses a 2.625-inch center inlet and a 2.625-inch offset outlet. Confirm the vehicle application against the listed fitment, especially for 2000 Chevrolet Tahoe and 2000 GMC Yukon notes that indicate modifications and\/or additional parts may be required on welded assemblies. For welded exhaust systems, replace all required parts as noted in the fitment data to maintain proper alignment and sealing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2002-2006 Chevrolet Avalanche 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000-2006 Chevrolet Suburban 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2006 Chevrolet Tahoe, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2006 GMC Yukon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000-2006 GMC Yukon XL 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2002-2005 Cadillac Escalade, N\/A, except Luxury Package\u003c\/li\u003e\n\u003cli\u003eFits 2000 Chevrolet Tahoe, N\/A, except Luxury Package\u003c\/li\u003e\n\u003cli\u003eFits 2000 GMC Yukon, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS mufflers are built with stainless-steel construction and OE-style sound characteristics for vehicle-specific replacement use. The fitment notes list a limited lifetime warranty for the covered applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071748239541,"sku":"BDCN-21423","price":113.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_21423_Fro.jpg?v=1775141996","url":"https:\/\/www.partcatalog.com\/products\/walker-21423-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}