{"product_id":"walker-21405-exhaust-muffler","title":"Walker 21405 Exhaust Muffler","description":"\u003ch2\u003eWalker Quiet-Flow SS Muffler for S10 and Sonoma\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS muffler Part Number 21405 is a direct-fit exhaust muffler for select Chevrolet S10 and GMC Sonoma applications. It uses 100% stainless-steel construction for the body and is built for OE-style sound, precise fitment, and steady exhaust flow.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for select 1996-2002 Chevrolet S10 and GMC Sonoma models\u003c\/li\u003e\n\u003cli\u003e100% stainless-steel body construction for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eOval combination muffler design with offset inlet and center outlet\u003c\/li\u003e\n\u003cli\u003e2.5-inch inlet inside diameter and 2.25-inch outlet inside diameter\u003c\/li\u003e\n\u003cli\u003eOverall length: 21 inches; body length: 18 inches; body width: 9.75 inches; body height: 4.25 inches\u003c\/li\u003e\n\u003cli\u003eWalker Quiet-Flow SS product line focuses on OE-style sound and precision fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker 21405 is part of the Quiet-Flow SS line, a stainless-steel muffler family built for direct replacement on broad domestic and import coverage. For this application, the muffler uses an oval body with a 2.5-inch pipe connection inlet, a 2.25-inch pipe connection outlet, an offset inlet configuration, and a center outlet configuration. The design supports a factory-like exhaust tone while maintaining the fit and flow characteristics expected in a replacement muffler for Chevrolet S10 and GMC Sonoma trucks.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 15722094) for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2000-2002 Chevrolet S10, N\/A, Premium; with Sport Package; Quiet-Flow SS\u003c\/li\u003e\n\u003cli\u003eFits 2000-2002 GMC Sonoma, N\/A, Premium; with Sport Package; Quiet-Flow SS\u003c\/li\u003e\n\u003cli\u003eFits 1996-1999 Chevrolet S10, N\/A, Premium; with High Rider Package; Quiet-Flow SS\u003c\/li\u003e\n\u003cli\u003eFits 1996-1999 GMC Sonoma, N\/A, Premium; with High Rider Package; Quiet-Flow SS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Replacement Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for a rusted or perforated factory muffler\u003c\/li\u003e\n\u003cli\u003eCorrection for exhaust noise that has become louder than stock\u003c\/li\u003e\n\u003cli\u003eService part for damaged muffler housings on S10 and Sonoma trucks\u003c\/li\u003e\n\u003cli\u003eDirect-fit repair when the original muffler no longer seals or flows properly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify inlet and outlet diameters, offset and center configuration, and overall length before installation. This muffler uses pipe connections and is not reversible or tunable. For welded exhaust assemblies, replace all required related parts during service to maintain proper alignment and sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow SS mufflers are built with stainless-steel construction and engineered for precision fit and OE-style sound. Part Number 21405 is intended for the listed Chevrolet S10 and GMC Sonoma applications and follows Walker’s direct-fit replacement approach.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071747387573,"sku":"BDCN-21405","price":100.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_21405_Fro.jpg?v=1775141994","url":"https:\/\/www.partcatalog.com\/products\/walker-21405-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}