{"product_id":"walker-exhaust-muffler-21607","title":"WALKER - Exhaust Muffler - 21607","description":"\u003ch2 data-start=\"297\" data-end=\"319\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"321\" data-end=\"700\"\u003eThe WALKER 21607 Quiet-Flow® SS Exhaust Muffler is a premium, stainless-steel, direct-fit replacement engineered to restore OE-style performance and sound on \u003cstrong data-start=\"479\" data-end=\"514\"\u003e2007–2011 Dodge Nitro (3.7L V6)\u003c\/strong\u003e models. As the only broad-market muffler built with \u003cstrong data-start=\"567\" data-end=\"604\"\u003e100% stainless-steel construction\u003c\/strong\u003e, this Quiet-Flow® SS unit provides superior resistance to corrosion and exceptional durability.\u003c\/p\u003e\n\u003cp data-start=\"702\" data-end=\"1003\"\u003eOE-style internal acoustics, louvered tubes, and precision-engineered chambers ensure smooth, factory-correct sound characteristics. The Quiet-Flow® SS design also incorporates mechanically joined tubes and spun-locked heads for long-lasting performance and minimized distortion under thermal cycling.\u003c\/p\u003e\n\u003chr data-start=\"1005\" data-end=\"1008\"\u003e\n\u003ch2 data-start=\"1010\" data-end=\"1025\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1027\" data-end=\"1523\"\u003e\n\u003cli data-start=\"1027\" data-end=\"1094\"\u003e\n\u003cp data-start=\"1029\" data-end=\"1094\"\u003e\u003cstrong data-start=\"1029\" data-end=\"1058\"\u003e100% Stainless-Steel Body\u003c\/strong\u003e for superior corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1095\" data-end=\"1168\"\u003e\n\u003cp data-start=\"1097\" data-end=\"1168\"\u003e\u003cstrong data-start=\"1097\" data-end=\"1124\"\u003eDirect-Fit Installation\u003c\/strong\u003e with OE-style routing and mounting points\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1169\" data-end=\"1247\"\u003e\n\u003cp data-start=\"1171\" data-end=\"1247\"\u003e\u003cstrong data-start=\"1171\" data-end=\"1204\"\u003eOE-Style Acoustic Engineering\u003c\/strong\u003e for quiet, factory-correct exhaust sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1248\" data-end=\"1329\"\u003e\n\u003cp data-start=\"1250\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1274\"\u003eDurable Construction\u003c\/strong\u003e with mechanically joined tubes and spun-locked heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1414\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1360\"\u003eInternal Drainage System\u003c\/strong\u003e reduces moisture build-up for extended service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1415\" data-end=\"1470\"\u003e\n\u003cp data-start=\"1417\" data-end=\"1470\"\u003e\u003cstrong data-start=\"1417\" data-end=\"1443\"\u003eAcoustic \u0026amp; Flow Tested\u003c\/strong\u003e for OE-level performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1471\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1473\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1473\" data-end=\"1521\"\u003eBacked by Walker’s Limited Lifetime Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1525\" data-end=\"1528\"\u003e\n\u003ch2 data-start=\"1530\" data-end=\"1557\"\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=\"1559\" data-end=\"2136\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1559\" data-end=\"1585\"\u003e\n\u003ctr data-start=\"1559\" data-end=\"1585\"\u003e\n\u003cth data-start=\"1559\" data-end=\"1575\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1575\" data-end=\"1585\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1612\" data-end=\"2136\"\u003e\n\u003ctr data-start=\"1612\" data-end=\"1628\"\u003e\n\u003ctd data-start=\"1612\" data-end=\"1620\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1620\" data-end=\"1628\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1629\" data-end=\"1652\"\u003e\n\u003ctd data-start=\"1629\" data-end=\"1638\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1638\" data-end=\"1652\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1653\" data-end=\"1688\"\u003e\n\u003ctd data-start=\"1653\" data-end=\"1669\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1669\" data-end=\"1688\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1689\" data-end=\"1721\"\u003e\n\u003ctd data-start=\"1689\" data-end=\"1702\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1702\" data-end=\"1721\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1722\" data-end=\"1755\"\u003e\n\u003ctd data-start=\"1722\" data-end=\"1736\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1736\" data-end=\"1755\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1756\" data-end=\"1785\"\u003e\n\u003ctd data-start=\"1756\" data-end=\"1773\" data-col-size=\"sm\"\u003eInlet Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1773\" data-end=\"1785\"\u003e2.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1786\" data-end=\"1816\"\u003e\n\u003ctd data-start=\"1786\" data-end=\"1804\" data-col-size=\"sm\"\u003eOutlet Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1804\" data-end=\"1816\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1817\" data-end=\"1844\"\u003e\n\u003ctd data-start=\"1817\" data-end=\"1834\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1834\" data-end=\"1844\"\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1845\" data-end=\"1873\"\u003e\n\u003ctd data-start=\"1845\" data-end=\"1863\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1863\" data-end=\"1873\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1874\" data-end=\"1896\"\u003e\n\u003ctd data-start=\"1874\" data-end=\"1891\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1891\" data-end=\"1896\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1897\" data-end=\"1920\"\u003e\n\u003ctd data-start=\"1897\" data-end=\"1915\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1915\" data-end=\"1920\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1921\" data-end=\"1947\"\u003e\n\u003ctd data-start=\"1921\" data-end=\"1935\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-start=\"1935\" data-end=\"1947\" data-col-size=\"sm\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1948\" data-end=\"1975\"\u003e\n\u003ctd data-start=\"1948\" data-end=\"1962\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1962\" data-end=\"1975\"\u003e25.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1976\" data-end=\"2002\"\u003e\n\u003ctd data-start=\"1976\" data-end=\"1989\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-start=\"1989\" data-end=\"2002\" data-col-size=\"sm\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2003\" data-end=\"2033\"\u003e\n\u003ctd data-start=\"2003\" data-end=\"2020\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-start=\"2020\" data-end=\"2033\" data-col-size=\"sm\"\u003e37.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2034\" data-end=\"2053\"\u003e\n\u003ctd data-start=\"2034\" data-end=\"2047\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-start=\"2047\" data-end=\"2053\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2054\" data-end=\"2070\"\u003e\n\u003ctd data-start=\"2054\" data-end=\"2064\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2064\" data-end=\"2070\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2071\" data-end=\"2111\"\u003e\n\u003ctd data-start=\"2071\" data-end=\"2099\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2099\" data-end=\"2111\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2112\" data-end=\"2136\"\u003e\n\u003ctd data-start=\"2112\" data-end=\"2125\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-start=\"2125\" data-end=\"2136\" data-col-size=\"sm\"\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=\"2138\" data-end=\"2141\"\u003e\n\u003ch2 data-start=\"2143\" data-end=\"2167\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ch3 data-start=\"2169\" data-end=\"2182\"\u003e\u003cstrong data-start=\"2173\" data-end=\"2182\"\u003eDodge\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2183\" data-end=\"2193\"\u003eNitro\u003c\/h4\u003e\n\u003cul data-start=\"2194\" data-end=\"2318\"\u003e\n\u003cli data-start=\"2194\" data-end=\"2233\"\u003e\n\u003cp data-start=\"2196\" data-end=\"2233\"\u003e\u003cstrong data-start=\"2196\" data-end=\"2217\"\u003e3.7L V6 (226 cid)\u003c\/strong\u003e → \u003cem data-start=\"2220\" data-end=\"2231\"\u003e2007–2011\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2234\" data-end=\"2260\"\u003e\n\u003cp data-start=\"2236\" data-end=\"2260\"\u003ePosition: Rear Muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2261\" data-end=\"2293\"\u003e\n\u003cp data-start=\"2263\" data-end=\"2293\"\u003eDrive: RWD \/ 4WD (fits both)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2294\" data-end=\"2318\"\u003e\n\u003cp data-start=\"2296\" data-end=\"2318\"\u003eQuantity Required: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2320\" data-end=\"2323\"\u003e\n\u003ch2 data-start=\"2325\" data-end=\"2357\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2359\" data-end=\"2632\"\u003e\n\u003cli data-start=\"2359\" data-end=\"2419\"\u003e\n\u003cp data-start=\"2361\" data-end=\"2419\"\u003eDesigned as a direct-fit replacement—no welding required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2420\" data-end=\"2477\"\u003e\n\u003cp data-start=\"2422\" data-end=\"2477\"\u003eReuse or replace exhaust clamps and gaskets as needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2478\" data-end=\"2541\"\u003e\n\u003cp data-start=\"2480\" data-end=\"2541\"\u003eStainless-steel construction provides extended service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2542\" data-end=\"2632\"\u003e\n\u003cp data-start=\"2544\" data-end=\"2632\"\u003eIncludes Walker’s \u003cstrong data-start=\"2562\" data-end=\"2591\"\u003elimited lifetime warranty\u003c\/strong\u003e and \u003cstrong data-start=\"2596\" data-end=\"2630\"\u003e90-Day Safe \u0026amp; Sound® Guarantee\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856312099015,"sku":"WAL21607","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21160231.png?v=1763770428","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-21607","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}