{"product_id":"walker-21151-exhaust-muffler-left-or-right","title":"Walker 21151 Exhaust Muffler - Left or Right","description":"\u003ch2\u003eWalker Quiet-Flow Muffler 21151\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow 21151 is a specific-fit exhaust muffler built for select domestic truck and van applications. It is designed to deliver OE-style sound while maintaining strong exhaust flow, making it a practical replacement for aging factory mufflers on vehicles such as Jeep Grand Wagoneer, Ford F-250, and Chevrolet P30 applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for targeted vehicle applications\u003c\/li\u003e\n\u003cli\u003eRound muffler body with aluminized finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSteel body construction for everyday exhaust service\u003c\/li\u003e\n\u003cli\u003eOffset inlet and outlet pipe connections for application-specific routing\u003c\/li\u003e\n\u003cli\u003e2.5-inch inlet inside diameter and 2.25-inch outlet inside diameter\u003c\/li\u003e\n\u003cli\u003eCombination muffler design for OE-style sound control and flow\u003c\/li\u003e\n\u003cli\u003eWalker Quiet-Flow line for domestic and foreign vehicle coverage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuiet-Flow Product Line Details\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow mufflers are part of Walker’s OE-style replacement exhaust lineup. The line focuses on controlled exhaust tone and efficient flow, making it a direct-fit choice for drivers who want a factory-like sound profile without changing the vehicle’s exhaust layout. Part number 21151 follows that approach with a specific-fit design for older truck, van, and utility vehicle applications.\u003c\/p\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker 21151 is a round exhaust muffler with a 6.5-inch body width, 6.5-inch body height, 23-inch body length, and 27.75-inch overall length. It uses a 2.5-inch offset inlet and a 2.25-inch offset outlet with pipe connections, and its aluminized steel construction is suited to replacement work where fitment and sound control matter. This muffler is listed for a wide range of classic applications, including 1971-1974 Chrysler Town \u0026amp; Country, 1975-1985 Chevrolet P30, and 1970-1976 Ford F-100 models, along with additional Jeep, Dodge, GMC, and Ford truck fitments. This part cross-references CSF 3906 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust noise from a worn or rusted muffler\u003c\/li\u003e\n\u003cli\u003eLoss of factory-style exhaust tone\u003c\/li\u003e\n\u003cli\u003eCorrosion-related muffler failure\u003c\/li\u003e\n\u003cli\u003ePoor exhaust routing after muffler replacement\u003c\/li\u003e\n\u003cli\u003eFitment issues on specific classic truck and van applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, make, model, and position before ordering, since fitment varies by application and some listings include notes such as emission-system restrictions, serial-number breaks, or left\/right placement. For welded assemblies, replace all required parts as noted in the fitment data. On commercial-use applications, arc-welded construction is recommended where specified. Confirm inlet and outlet orientation, offset dimensions, and pipe sizes before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow mufflers are backed by a limited lifetime warranty and a 90-day Safe and Sound guarantee. Part number 21151 is built for specific applications and is intended to provide OE-style sound and dependable exhaust flow in the vehicles listed above.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1984-1991 Jeep Grand Wagoneer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1984-1988 Jeep J10, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1984-1988 Jeep J20, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1975-1985 Chevrolet P30, Left\u003c\/li\u003e\n\u003cli\u003eFits 1975-1985 Chevrolet P30, Right\u003c\/li\u003e\n\u003cli\u003eFits 1985 Ford F-350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979-1985 GMC P3500, Right\u003c\/li\u003e\n\u003cli\u003eFits 1979-1985 GMC P3500, Left\u003c\/li\u003e\n\u003cli\u003eFits 1983-1984 Ford F-350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1983 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1965-1967 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1981-1983 Jeep Cherokee, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1981-1983 Jeep J10, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1981-1983 Jeep J20, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1981-1982 Jeep Wagoneer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1980 Jeep Cherokee, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1980 Jeep Wagoneer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979 Dodge Ramcharger, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978-1979 Ford F-100, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978-1979 Ford F-150, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979 Jeep Cherokee, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979 Jeep Wagoneer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1975-1978 Chevrolet P30, Left\u003c\/li\u003e\n\u003cli\u003eFits 1975-1978 Chevrolet P30, Right\u003c\/li\u003e\n\u003cli\u003eFits 1977-1978 Dodge B100, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1977-1978 Dodge B200, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1976-1978 Dodge B200, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1976-1978 Dodge B300, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1977-1978 Dodge W150, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1976-1978 Dodge W200, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978 Ford F-100, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978 Ford F-150, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1976-1977 Dodge W100, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1977 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1970-1976 Ford F-100, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1975-1976 Ford F-150, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1976 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1975-1976 Ford F-350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1975 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1975 Ford F-350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1974 Chrysler Imperial, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1972-1974 Chrysler New Yorker, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1972-1974 Chrysler Newport, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1971-1974 Chrysler Town \u0026amp; Country, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1972-1974 Dodge Monaco, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1974 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1971-1973 Chrysler Imperial, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1971-1973 Dodge Monaco, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071741784245,"sku":"BDCN-21151","price":99.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_21151_Fro.jpg?v=1775141979","url":"https:\/\/www.partcatalog.com\/products\/walker-21151-exhaust-muffler-left-or-right","provider":"PartCatalog","version":"1.0","type":"link"}