{"product_id":"walker-exhaust-muffler-21544","title":"WALKER - Exhaust Muffler - 21544","description":"\u003ch2 data-start=\"323\" data-end=\"345\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"347\" data-end=\"697\"\u003eThe WALKER 21544 Quiet-Flow® SS Exhaust Muffler is a premium, direct-fit replacement engineered for Jeep Commander and Grand Cherokee models equipped with 3.7L, 4.7L, and 5.7L engines. Built with \u003cstrong data-start=\"543\" data-end=\"580\"\u003e100% stainless-steel construction\u003c\/strong\u003e, it delivers superior corrosion resistance and a significantly longer service life than typical aluminized mufflers.\u003c\/p\u003e\n\u003cp data-start=\"699\" data-end=\"1016\"\u003eOE-style domed heads, louvered tubes, and precisely engineered internal partitions ensure accurate acoustic control and a refined, factory-correct exhaust note. Mechanically joined tubes and spun-locked heads allow for thermal expansion without distortion, ensuring durability even under extreme operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1206\"\u003eWith OE-style pipe routing and mounting geometry, this Quiet-Flow® SS muffler installs easily without welding and restores proper exhaust flow, sound characteristics, and system integrity.\u003c\/p\u003e\n\u003chr data-start=\"1208\" data-end=\"1211\"\u003e\n\u003ch2 data-start=\"1213\" data-end=\"1228\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1230\" data-end=\"1783\"\u003e\n\u003cli data-start=\"1230\" data-end=\"1318\"\u003e\n\u003cp data-start=\"1232\" data-end=\"1318\"\u003e\u003cstrong data-start=\"1232\" data-end=\"1269\"\u003e100% Stainless-Steel Construction\u003c\/strong\u003e for maximum corrosion resistance and longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1319\" data-end=\"1384\"\u003e\n\u003cp data-start=\"1321\" data-end=\"1384\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1342\"\u003eDirect-Fit Design\u003c\/strong\u003e with OE-style brackets and pipe routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1385\" data-end=\"1460\"\u003e\n\u003cp data-start=\"1387\" data-end=\"1460\"\u003e\u003cstrong data-start=\"1387\" data-end=\"1421\"\u003ePremium OE-Style Sound Control\u003c\/strong\u003e using louvered tubes and domed heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1461\" data-end=\"1551\"\u003e\n\u003cp data-start=\"1463\" data-end=\"1551\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1512\"\u003eMechanically Joined Tubes \u0026amp; Spun-Locked Heads\u003c\/strong\u003e enhance durability under heat cycles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1552\" data-end=\"1619\"\u003e\n\u003cp data-start=\"1554\" data-end=\"1619\"\u003e\u003cstrong data-start=\"1554\" data-end=\"1582\"\u003eInternal Drainage System\u003c\/strong\u003e helps reduce moisture accumulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1620\" data-end=\"1695\"\u003e\n\u003cp data-start=\"1622\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1622\" data-end=\"1652\"\u003eFlow \u0026amp; Acoustically Tested\u003c\/strong\u003e to deliver OE-grade performance and tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1696\" data-end=\"1783\"\u003e\n\u003cp data-start=\"1698\" data-end=\"1783\"\u003e\u003cstrong data-start=\"1698\" data-end=\"1746\"\u003eBacked by Walker’s Limited Lifetime Warranty\u003c\/strong\u003e and 90-Day Safe \u0026amp; Sound® Guarantee\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1785\" data-end=\"1788\"\u003e\n\u003ch2 data-start=\"1790\" data-end=\"1817\"\u003eTechnical Specifications\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=\"1819\" data-end=\"2438\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1819\" data-end=\"1845\"\u003e\n\u003ctr data-start=\"1819\" data-end=\"1845\"\u003e\n\u003cth data-start=\"1819\" data-end=\"1835\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1835\" data-end=\"1845\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1872\" data-end=\"2438\"\u003e\n\u003ctr data-start=\"1872\" data-end=\"1888\"\u003e\n\u003ctd data-start=\"1872\" data-end=\"1880\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1880\" data-end=\"1888\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1889\" data-end=\"1912\"\u003e\n\u003ctd data-start=\"1889\" data-end=\"1898\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-start=\"1898\" data-end=\"1912\" data-col-size=\"sm\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1913\" data-end=\"1948\"\u003e\n\u003ctd data-start=\"1913\" data-end=\"1929\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1929\" data-end=\"1948\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1949\" data-end=\"1981\"\u003e\n\u003ctd data-start=\"1949\" data-end=\"1962\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1962\" data-end=\"1981\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1982\" data-end=\"2015\"\u003e\n\u003ctd data-start=\"1982\" data-end=\"1996\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-start=\"1996\" data-end=\"2015\" data-col-size=\"sm\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2016\" data-end=\"2052\"\u003e\n\u003ctd data-start=\"2016\" data-end=\"2040\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2040\" data-end=\"2052\"\u003e2.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2053\" data-end=\"2090\"\u003e\n\u003ctd data-start=\"2053\" data-end=\"2078\" data-col-size=\"sm\"\u003eOutlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2078\" data-end=\"2090\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2091\" data-end=\"2118\"\u003e\n\u003ctd data-start=\"2091\" data-end=\"2108\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2108\" data-end=\"2118\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2119\" data-end=\"2147\"\u003e\n\u003ctd data-start=\"2119\" data-end=\"2137\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2137\" data-end=\"2147\"\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2148\" data-end=\"2170\"\u003e\n\u003ctd data-start=\"2148\" data-end=\"2165\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2165\" data-end=\"2170\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2171\" data-end=\"2194\"\u003e\n\u003ctd data-start=\"2171\" data-end=\"2189\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2189\" data-end=\"2194\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2195\" data-end=\"2221\"\u003e\n\u003ctd data-start=\"2195\" data-end=\"2209\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2209\" data-end=\"2221\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2222\" data-end=\"2249\"\u003e\n\u003ctd data-start=\"2222\" data-end=\"2236\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2236\" data-end=\"2249\"\u003e27.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2250\" data-end=\"2276\"\u003e\n\u003ctd data-start=\"2250\" data-end=\"2263\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-start=\"2263\" data-end=\"2276\" data-col-size=\"sm\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2277\" data-end=\"2307\"\u003e\n\u003ctd data-start=\"2277\" data-end=\"2294\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2294\" data-end=\"2307\"\u003e32.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2308\" data-end=\"2335\"\u003e\n\u003ctd data-start=\"2308\" data-end=\"2323\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2323\" data-end=\"2335\"\u003e3.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2336\" data-end=\"2355\"\u003e\n\u003ctd data-start=\"2336\" data-end=\"2349\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-start=\"2349\" data-end=\"2355\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2356\" data-end=\"2372\"\u003e\n\u003ctd data-start=\"2356\" data-end=\"2366\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-start=\"2366\" data-end=\"2372\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2373\" data-end=\"2413\"\u003e\n\u003ctd data-start=\"2373\" data-end=\"2401\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2401\" data-end=\"2413\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2414\" data-end=\"2438\"\u003e\n\u003ctd data-start=\"2414\" data-end=\"2427\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2427\" data-end=\"2438\"\u003ePremium\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=\"2440\" data-end=\"2443\"\u003e\n\u003ch2 data-start=\"2445\" data-end=\"2471\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2472\" data-end=\"2532\"\u003e\u003cem data-start=\"2472\" data-end=\"2532\"\u003e(One muffler required per vehicle unless otherwise noted.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2534\" data-end=\"2546\"\u003e\u003cstrong data-start=\"2538\" data-end=\"2546\"\u003eJeep\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2547\" data-end=\"2563\"\u003eCommander\u003c\/h4\u003e\n\u003cul data-start=\"2564\" data-end=\"2677\"\u003e\n\u003cli data-start=\"2564\" data-end=\"2601\"\u003e\n\u003cp data-start=\"2566\" data-end=\"2601\"\u003e\u003cstrong data-start=\"2566\" data-end=\"2587\"\u003e5.7L V8 (345 cid)\u003c\/strong\u003e → 2006–2010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2602\" data-end=\"2639\"\u003e\n\u003cp data-start=\"2604\" data-end=\"2639\"\u003e\u003cstrong data-start=\"2604\" data-end=\"2625\"\u003e4.7L V8 (287 cid)\u003c\/strong\u003e → 2006–2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2640\" data-end=\"2677\"\u003e\n\u003cp data-start=\"2642\" data-end=\"2677\"\u003e\u003cstrong data-start=\"2642\" data-end=\"2663\"\u003e3.7L V6 (226 cid)\u003c\/strong\u003e → 2006–2010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2679\" data-end=\"2700\"\u003eGrand Cherokee\u003c\/h4\u003e\n\u003cul data-start=\"2701\" data-end=\"2814\"\u003e\n\u003cli data-start=\"2701\" data-end=\"2738\"\u003e\n\u003cp data-start=\"2703\" data-end=\"2738\"\u003e\u003cstrong data-start=\"2703\" data-end=\"2724\"\u003e5.7L V8 (345 cid)\u003c\/strong\u003e → 2005–2010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2739\" data-end=\"2776\"\u003e\n\u003cp data-start=\"2741\" data-end=\"2776\"\u003e\u003cstrong data-start=\"2741\" data-end=\"2762\"\u003e3.7L V6 (226 cid)\u003c\/strong\u003e → 2005–2010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2777\" data-end=\"2814\"\u003e\n\u003cp data-start=\"2779\" data-end=\"2814\"\u003e\u003cstrong data-start=\"2779\" data-end=\"2800\"\u003e4.7L V8 (287 cid)\u003c\/strong\u003e → 2005–2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2816\" data-end=\"2819\"\u003e\n\u003ch2 data-start=\"2821\" data-end=\"2853\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2855\" data-end=\"3148\"\u003e\n\u003cli data-start=\"2855\" data-end=\"2904\"\u003e\n\u003cp data-start=\"2857\" data-end=\"2904\"\u003eDirect-fit bolt-on design—no welding required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2905\" data-end=\"2956\"\u003e\n\u003cp data-start=\"2907\" data-end=\"2956\"\u003eMatches OE sound level and exhaust backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2957\" data-end=\"3004\"\u003e\n\u003cp data-start=\"2959\" data-end=\"3004\"\u003eReplace gaskets and clamps for best results\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3005\" data-end=\"3072\"\u003e\n\u003cp data-start=\"3007\" data-end=\"3072\"\u003eStainless-steel body offers significantly extended service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3073\" data-end=\"3148\"\u003e\n\u003cp data-start=\"3075\" data-end=\"3148\"\u003eIncludes Walker’s limited lifetime warranty and Safe \u0026amp; Sound® Guarantee\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856203112647,"sku":"WAL21544","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21152800-Copy.png?v=1763767775","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-21544","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}