{"product_id":"walker-22004-exhaust-muffler","title":"Walker 22004 Exhaust Muffler","description":"\u003ch2\u003eWalker Heavy Duty 22004 Exhaust Muffler\u003c\/h2\u003e\u003cp\u003eWalker Heavy Duty 22004 is a universal exhaust muffler built for hard-working on-road and off-road commercial vehicle applications. It uses an oval steel body with an aluminized finish to support exhaust system replacement where a 4-inch pipe connection is required at both the inlet and outlet.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a universal 4-inch exhaust muffler, Walker 22004 provides a straightforward replacement option with offset inlet and outlet configuration. It is a practical choice for commercial trucks and equipment where Walker exhaust components are used to restore proper exhaust routing and flow.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUniversal fit exhaust muffler for commercial vehicle applications\u003c\/li\u003e\n\u003cli\u003eOval muffler body with regular grade construction\u003c\/li\u003e\n\u003cli\u003eSteel body with aluminized finish for added corrosion resistance\u003c\/li\u003e\n\u003cli\u003e4-inch inlet and 4-inch outlet with pipe connection ends\u003c\/li\u003e\n\u003cli\u003eOffset inlet and offset outlet configuration\u003c\/li\u003e\n\u003cli\u003eCombination muffler type for replacement exhaust service\u003c\/li\u003e\n\u003cli\u003eWalker Heavy Duty line coverage for engine-to-tailpipe exhaust components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker Heavy Duty 22004 is part of Walker’s commercial-focused exhaust lineup, which covers a wide range of replacement emissions and exhaust system needs from the engine to the tailpipe. The oval muffler body measures 27 inches long, 11.5 inches wide, and 8.25 inches high, with an overall length of 34 inches. Its 4-inch inlet and outlet dimensions, along with the 2.5-inch inlet offset, make it suitable for exhaust routing where a direct pipe connection is required. This part cross-references Anchor 3632 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDamaged or rusted muffler replacement in a commercial exhaust system\u003c\/li\u003e\n\u003cli\u003eExhaust noise caused by a worn internal muffler structure\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow from a deteriorated muffler body\u003c\/li\u003e\n\u003cli\u003eFitment needs for a universal 4-inch pipe connection muffler\u003c\/li\u003e\n\u003cli\u003eReplacement requirements for Walker exhaust system service on commercial vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm inlet and outlet diameter, offset configuration, and available space before installation. Because this is a universal muffler, fitment depends on exhaust system layout rather than a vehicle-specific mounting pattern. Verify pipe alignment, body clearance, and weld or clamp requirements during exhaust service. Fits are not listed for this part number, so it is not tied to a specific year, make, or model application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Heavy Duty exhaust components are built for replacement service across domestic, import, and commercial vehicle applications. Part number 22004 is designed as a practical exhaust service component for technicians and buyers who need a universal muffler with standard pipe connections and heavy-duty construction.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071762559157,"sku":"BDCN-22004","price":143.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_22004_Fro.jpg?v=1775142029","url":"https:\/\/www.partcatalog.com\/products\/walker-22004-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}