{"product_id":"walker-exhaust-muffler-18955","title":"WALKER - Exhaust Muffler - 18955","description":"\u003ch2 data-start=\"374\" data-end=\"400\"\u003e\u003cstrong data-start=\"377\" data-end=\"400\"\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"402\" data-end=\"746\"\u003eThe WALKER® SoundFX® \u003cstrong data-start=\"423\" data-end=\"432\"\u003e18955\u003c\/strong\u003e muffler is engineered as a direct-fit replacement designed to restore factory-style sound, performance, and durability for Ford F-150 applications. Built from \u003cstrong data-start=\"592\" data-end=\"617\"\u003e100% aluminized steel\u003c\/strong\u003e, this muffler offers enhanced corrosion resistance and long service life, aided by a moisture-reducing internal drainage system.\u003c\/p\u003e\n\u003cp data-start=\"748\" data-end=\"968\"\u003eIts louvered tube design helps reduce radiated noise, while mechanically joined internal tubes accommodate thermal expansion to prevent distortion. OE-style hangers and pipe routing ensure fast, hassle-free installation.\u003c\/p\u003e\n\u003chr data-start=\"970\" data-end=\"973\"\u003e\n\u003ch2 data-start=\"975\" data-end=\"994\"\u003e\u003cstrong data-start=\"978\" data-end=\"994\"\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"996\" data-end=\"1405\"\u003e\n\u003cli data-start=\"996\" data-end=\"1088\"\u003e\n\u003cp data-start=\"998\" data-end=\"1088\"\u003e\u003cstrong data-start=\"998\" data-end=\"1031\"\u003eAluminized Steel Construction\u003c\/strong\u003e resists rust better than low-carbon steel alternatives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1089\" data-end=\"1154\"\u003e\n\u003cp data-start=\"1091\" data-end=\"1154\"\u003e\u003cstrong data-start=\"1091\" data-end=\"1121\"\u003eDirect-Fit, Bolt-On Design\u003c\/strong\u003e — no cutting or welding needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1155\" data-end=\"1216\"\u003e\n\u003cp data-start=\"1157\" data-end=\"1216\"\u003e\u003cstrong data-start=\"1157\" data-end=\"1175\"\u003eOE-Style Sound\u003c\/strong\u003e using louvered tube internal acoustics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1217\" data-end=\"1280\"\u003e\n\u003cp data-start=\"1219\" data-end=\"1280\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1248\"\u003eDurable Mechanical Joints\u003c\/strong\u003e withstand temperature cycling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1281\" data-end=\"1333\"\u003e\n\u003cp data-start=\"1283\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1283\" data-end=\"1304\"\u003eSpun-Locked Heads\u003c\/strong\u003e add strength and stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1334\" data-end=\"1405\"\u003e\n\u003cp data-start=\"1336\" data-end=\"1405\"\u003eDesigned to \u003cstrong data-start=\"1348\" data-end=\"1371\"\u003eextend muffler life\u003c\/strong\u003e even under demanding conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1407\" data-end=\"1410\"\u003e\n\u003ch2 data-start=\"1412\" data-end=\"1443\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1443\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1445\" data-end=\"2142\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1445\" data-end=\"1471\"\u003e\n\u003ctr data-start=\"1445\" data-end=\"1471\"\u003e\n\u003cth data-start=\"1445\" data-end=\"1461\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1461\" data-end=\"1471\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1498\" data-end=\"2142\"\u003e\n\u003ctr data-start=\"1498\" data-end=\"1518\"\u003e\n\u003ctd data-start=\"1498\" data-end=\"1510\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1500\" data-end=\"1509\"\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1510\" data-end=\"1518\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1519\" data-end=\"1546\"\u003e\n\u003ctd data-start=\"1519\" data-end=\"1532\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1521\" data-end=\"1531\"\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1532\" data-end=\"1546\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1547\" data-end=\"1583\"\u003e\n\u003ctd data-start=\"1547\" data-end=\"1564\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1549\" data-end=\"1563\"\u003eInlet Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1564\" data-end=\"1583\" data-col-size=\"sm\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1584\" data-end=\"1621\"\u003e\n\u003ctd data-start=\"1584\" data-end=\"1602\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1586\" data-end=\"1601\"\u003eOutlet Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1602\" data-end=\"1621\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1622\" data-end=\"1662\"\u003e\n\u003ctd data-start=\"1622\" data-end=\"1650\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1624\" data-end=\"1649\"\u003eInlet Inside Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1650\" data-end=\"1662\"\u003e2.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1663\" data-end=\"1704\"\u003e\n\u003ctd data-start=\"1663\" data-end=\"1692\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1665\" data-end=\"1691\"\u003eOutlet Inside Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1692\" data-end=\"1704\"\u003e2.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1705\" data-end=\"1735\"\u003e\n\u003ctd data-start=\"1705\" data-end=\"1723\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1707\" data-end=\"1722\"\u003eBody Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1723\" data-end=\"1735\"\u003e7.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1736\" data-end=\"1767\"\u003e\n\u003ctd data-start=\"1736\" data-end=\"1754\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1738\" data-end=\"1753\"\u003eBody Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1754\" data-end=\"1767\"\u003e30.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1768\" data-end=\"1797\"\u003e\n\u003ctd data-start=\"1768\" data-end=\"1785\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1770\" data-end=\"1784\"\u003eBody Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1785\" data-end=\"1797\"\u003e9.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1798\" data-end=\"1832\"\u003e\n\u003ctd data-start=\"1798\" data-end=\"1819\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1800\" data-end=\"1818\"\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1819\" data-end=\"1832\"\u003e34.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1833\" data-end=\"1859\"\u003e\n\u003ctd data-start=\"1833\" data-end=\"1854\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1835\" data-end=\"1853\"\u003eInlet Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1854\" data-end=\"1859\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1860\" data-end=\"1887\"\u003e\n\u003ctd data-start=\"1860\" data-end=\"1882\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1862\" data-end=\"1881\"\u003eOutlet Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1882\" data-end=\"1887\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1888\" data-end=\"1919\"\u003e\n\u003ctd data-start=\"1888\" data-end=\"1909\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1890\" data-end=\"1908\"\u003eInlet Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1909\" data-end=\"1919\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1920\" data-end=\"1952\"\u003e\n\u003ctd data-start=\"1920\" data-end=\"1942\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1922\" data-end=\"1941\"\u003eOutlet Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1942\" data-end=\"1952\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1953\" data-end=\"1982\"\u003e\n\u003ctd data-start=\"1953\" data-end=\"1973\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1955\" data-end=\"1972\"\u003eBody Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1973\" data-end=\"1982\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1983\" data-end=\"2012\"\u003e\n\u003ctd data-start=\"1983\" data-end=\"2005\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1985\" data-end=\"2004\"\u003eHanger Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2005\" data-end=\"2012\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2013\" data-end=\"2036\"\u003e\n\u003ctd data-start=\"2013\" data-end=\"2030\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2015\" data-end=\"2029\"\u003eReversible\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2030\" data-end=\"2036\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2037\" data-end=\"2081\"\u003e\n\u003ctd data-start=\"2037\" data-end=\"2069\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2039\" data-end=\"2068\"\u003eUniversal or Specific Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2069\" data-end=\"2081\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2082\" data-end=\"2110\"\u003e\n\u003ctd data-start=\"2082\" data-end=\"2099\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2084\" data-end=\"2098\"\u003eGrade Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2099\" data-end=\"2110\" data-col-size=\"sm\"\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2111\" data-end=\"2142\"\u003e\n\u003ctd data-start=\"2111\" data-end=\"2130\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2113\" data-end=\"2129\"\u003eInlet Offset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2130\" data-end=\"2142\"\u003e1.625 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2144\" data-end=\"2147\"\u003e\n\u003ch2 data-start=\"2149\" data-end=\"2177\"\u003e\u003cstrong data-start=\"2152\" data-end=\"2177\"\u003eVehicle Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"2179\" data-end=\"2197\"\u003e\u003cstrong data-start=\"2183\" data-end=\"2197\"\u003eFord F-150\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2198\" data-end=\"2259\"\u003e\n\u003cli data-start=\"2198\" data-end=\"2259\"\u003e\n\u003cp data-start=\"2200\" data-end=\"2215\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2213\"\u003e2001–2003\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2218\" data-end=\"2259\"\u003e\n\u003cli data-start=\"2218\" data-end=\"2238\"\u003e\n\u003cp data-start=\"2220\" data-end=\"2238\"\u003e4.6L V8 (281cid)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2241\" data-end=\"2259\"\u003e\n\u003cp data-start=\"2243\" data-end=\"2259\"\u003e5.4L V8 (330cid)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2261\" data-end=\"2288\"\u003e\u003cstrong data-start=\"2265\" data-end=\"2288\"\u003eFord F-150 Heritage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2289\" data-end=\"2345\"\u003e\n\u003cli data-start=\"2289\" data-end=\"2345\"\u003e\n\u003cp data-start=\"2291\" data-end=\"2301\"\u003e\u003cstrong data-start=\"2291\" data-end=\"2299\"\u003e2004\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2304\" data-end=\"2345\"\u003e\n\u003cli data-start=\"2304\" data-end=\"2324\"\u003e\n\u003cp data-start=\"2306\" data-end=\"2324\"\u003e4.6L V8 (281cid)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2327\" data-end=\"2345\"\u003e\n\u003cp data-start=\"2329\" data-end=\"2345\"\u003e5.4L V8 (330cid)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2347\" data-end=\"2350\"\u003e\n\u003ch2 data-start=\"2352\" data-end=\"2379\"\u003e\u003cstrong data-start=\"2355\" data-end=\"2379\"\u003eInstallation \u0026amp; Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2381\" data-end=\"2922\"\u003e\n\u003cli data-start=\"2381\" data-end=\"2484\"\u003e\n\u003cp data-start=\"2383\" data-end=\"2484\"\u003e\u003cstrong data-start=\"2383\" data-end=\"2405\"\u003eDirect-fit design:\u003c\/strong\u003e Bolts to factory exhaust system using OE-style hangers and alignment points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2485\" data-end=\"2567\"\u003e\n\u003cp data-start=\"2487\" data-end=\"2567\"\u003e\u003cstrong data-start=\"2487\" data-end=\"2511\"\u003eNo welding required:\u003c\/strong\u003e Engineered for a straightforward bolt-on replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2568\" data-end=\"2657\"\u003e\n\u003cp data-start=\"2570\" data-end=\"2657\"\u003e\u003cstrong data-start=\"2570\" data-end=\"2598\"\u003eAluminized construction:\u003c\/strong\u003e Provides good corrosion resistance in moderate climates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2658\" data-end=\"2755\"\u003e\n\u003cp data-start=\"2660\" data-end=\"2755\"\u003e\u003cstrong data-start=\"2660\" data-end=\"2690\"\u003eMuffler is non-reversible:\u003c\/strong\u003e Ensure inlet and outlet orientation matches the original unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2756\" data-end=\"2847\"\u003e\n\u003cp data-start=\"2758\" data-end=\"2847\"\u003e\u003cstrong data-start=\"2758\" data-end=\"2788\"\u003eInspect clamps \u0026amp; hardware:\u003c\/strong\u003e Replace worn or corroded components during installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2848\" data-end=\"2922\"\u003e\n\u003cp data-start=\"2850\" data-end=\"2922\"\u003e\u003cstrong data-start=\"2850\" data-end=\"2891\"\u003eProfessional installation recommended\u003c\/strong\u003e for optimal fit and sealing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45881131040967,"sku":"WAL18955","price":105.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-24162354.png?v=1764030175","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-18955","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}