{"product_id":"walker-exhaust-muffler-21678","title":"WALKER - Exhaust Muffler - 21678","description":"\u003ch2 data-start=\"298\" data-end=\"320\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"322\" data-end=\"685\"\u003eThe WALKER 21678 Quiet-Flow® SS Exhaust Muffler is a premium, direct-fit stainless-steel replacement engineered to restore factory-original exhaust performance for the \u003cstrong data-start=\"490\" data-end=\"527\"\u003e2009–2015 Honda Pilot (Left Side)\u003c\/strong\u003e. Featuring \u003cstrong data-start=\"539\" data-end=\"576\"\u003e100% stainless-steel construction\u003c\/strong\u003e, this Quiet-Flow® SS muffler outlasts traditional aluminized units and offers superior corrosion resistance.\u003c\/p\u003e\n\u003cp data-start=\"687\" data-end=\"1024\"\u003eIts OE-style domed heads, louvered tubes, and acoustically tuned chambers deliver smooth, factory-correct sound quality, while mechanically joined tubes and spun-locked heads reduce distortion during thermal expansion. Designed for a precise fit, this muffler installs easily with OE-style hangers and requires no welding or fabrication.\u003c\/p\u003e\n\u003chr data-start=\"1026\" data-end=\"1029\"\u003e\n\u003ch2 data-start=\"1031\" data-end=\"1046\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1048\" data-end=\"1500\"\u003e\n\u003cli data-start=\"1048\" data-end=\"1114\"\u003e\n\u003cp data-start=\"1050\" data-end=\"1114\"\u003e\u003cstrong data-start=\"1050\" data-end=\"1079\"\u003e100% Stainless-Steel Body\u003c\/strong\u003e for maximum corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1183\"\u003e\n\u003cp data-start=\"1117\" data-end=\"1183\"\u003e\u003cstrong data-start=\"1117\" data-end=\"1151\"\u003eDirect-Fit Bolt-On Replacement\u003c\/strong\u003e with OE-style mounting points\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1249\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1249\"\u003e\u003cstrong data-start=\"1186\" data-end=\"1214\"\u003eOE-Style Acoustic Tuning\u003c\/strong\u003e for quiet, refined exhaust sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1250\" data-end=\"1318\"\u003e\n\u003cp data-start=\"1252\" data-end=\"1318\"\u003e\u003cstrong data-start=\"1252\" data-end=\"1276\"\u003eDurable Construction\u003c\/strong\u003e with mechanically joined internal tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1319\" data-end=\"1391\"\u003e\n\u003cp data-start=\"1321\" data-end=\"1391\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1349\"\u003eInternal Drainage System\u003c\/strong\u003e reduces moisture to extend service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1392\" data-end=\"1447\"\u003e\n\u003cp data-start=\"1394\" data-end=\"1447\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1420\"\u003eAcoustic \u0026amp; Flow Tested\u003c\/strong\u003e for OE-level performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1448\" data-end=\"1500\"\u003e\n\u003cp data-start=\"1450\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1450\" data-end=\"1498\"\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=\"1502\" data-end=\"1505\"\u003e\n\u003ch2 data-start=\"1507\" data-end=\"1534\"\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=\"1536\" data-end=\"2130\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1536\" data-end=\"1562\"\u003e\n\u003ctr data-start=\"1536\" data-end=\"1562\"\u003e\n\u003cth data-start=\"1536\" data-end=\"1552\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1552\" data-end=\"1562\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1589\" data-end=\"2130\"\u003e\n\u003ctr data-start=\"1589\" data-end=\"1605\"\u003e\n\u003ctd data-start=\"1589\" data-end=\"1597\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-start=\"1597\" data-end=\"1605\" data-col-size=\"sm\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1606\" data-end=\"1629\"\u003e\n\u003ctd data-start=\"1606\" data-end=\"1615\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1615\" data-end=\"1629\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1630\" data-end=\"1665\"\u003e\n\u003ctd data-start=\"1630\" data-end=\"1646\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1646\" data-end=\"1665\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1666\" data-end=\"1698\"\u003e\n\u003ctd data-start=\"1666\" data-end=\"1679\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-start=\"1679\" data-end=\"1698\" data-col-size=\"sm\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1699\" data-end=\"1720\"\u003e\n\u003ctd data-start=\"1699\" data-end=\"1713\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1713\" data-end=\"1720\"\u003eTip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1721\" data-end=\"1750\"\u003e\n\u003ctd data-start=\"1721\" data-end=\"1738\" data-col-size=\"sm\"\u003eInlet Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1738\" data-end=\"1750\"\u003e1.750 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1751\" data-end=\"1781\"\u003e\n\u003ctd data-start=\"1751\" data-end=\"1769\" data-col-size=\"sm\"\u003eOutlet Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1769\" data-end=\"1781\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1782\" data-end=\"1809\"\u003e\n\u003ctd data-start=\"1782\" data-end=\"1799\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1799\" data-end=\"1809\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1810\" data-end=\"1838\"\u003e\n\u003ctd data-start=\"1810\" data-end=\"1828\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1828\" data-end=\"1838\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1839\" data-end=\"1861\"\u003e\n\u003ctd data-start=\"1839\" data-end=\"1856\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1856\" data-end=\"1861\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1862\" data-end=\"1885\"\u003e\n\u003ctd data-start=\"1862\" data-end=\"1880\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1880\" data-end=\"1885\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1886\" data-end=\"1912\"\u003e\n\u003ctd data-start=\"1886\" data-end=\"1900\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1900\" data-end=\"1912\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1913\" data-end=\"1940\"\u003e\n\u003ctd data-start=\"1913\" data-end=\"1927\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1927\" data-end=\"1940\"\u003e14.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1941\" data-end=\"1967\"\u003e\n\u003ctd data-start=\"1941\" data-end=\"1954\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1954\" data-end=\"1967\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1968\" data-end=\"1998\"\u003e\n\u003ctd data-start=\"1968\" data-end=\"1985\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1985\" data-end=\"1998\"\u003e28.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1999\" data-end=\"2026\"\u003e\n\u003ctd data-start=\"1999\" data-end=\"2014\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-start=\"2014\" data-end=\"2026\" data-col-size=\"sm\"\u003e3.750 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2027\" data-end=\"2047\"\u003e\n\u003ctd data-start=\"2027\" data-end=\"2040\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2040\" data-end=\"2047\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2048\" data-end=\"2064\"\u003e\n\u003ctd data-start=\"2048\" data-end=\"2058\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2058\" data-end=\"2064\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2065\" data-end=\"2105\"\u003e\n\u003ctd data-start=\"2065\" data-end=\"2093\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2093\" data-end=\"2105\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2106\" data-end=\"2130\"\u003e\n\u003ctd data-start=\"2106\" data-end=\"2119\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2119\" data-end=\"2130\"\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=\"2132\" data-end=\"2135\"\u003e\n\u003ch2 data-start=\"2137\" data-end=\"2161\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ch3 data-start=\"2163\" data-end=\"2176\"\u003e\u003cstrong data-start=\"2167\" data-end=\"2176\"\u003eHonda\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2177\" data-end=\"2207\"\u003ePilot (Left Side Muffler)\u003c\/h4\u003e\n\u003cul data-start=\"2208\" data-end=\"2290\"\u003e\n\u003cli data-start=\"2208\" data-end=\"2246\"\u003e\n\u003cp data-start=\"2210\" data-end=\"2246\"\u003e\u003cstrong data-start=\"2210\" data-end=\"2230\"\u003e3.5L V6 (3471cc)\u003c\/strong\u003e → \u003cem data-start=\"2233\" data-end=\"2244\"\u003e2009–2015\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2247\" data-end=\"2265\"\u003e\n\u003cp data-start=\"2249\" data-end=\"2265\"\u003ePosition: Left\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2266\" data-end=\"2290\"\u003e\n\u003cp data-start=\"2268\" data-end=\"2290\"\u003eQuantity Required: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2292\" data-end=\"2295\"\u003e\n\u003ch2 data-start=\"2297\" data-end=\"2329\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2331\" data-end=\"2634\"\u003e\n\u003cli data-start=\"2331\" data-end=\"2383\"\u003e\n\u003cp data-start=\"2333\" data-end=\"2383\"\u003eDirect-fit design—no cutting or welding required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2384\" data-end=\"2443\"\u003e\n\u003cp data-start=\"2386\" data-end=\"2443\"\u003eReplace clamps or gaskets as needed for optimal sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2444\" data-end=\"2498\"\u003e\n\u003cp data-start=\"2446\" data-end=\"2498\"\u003eStainless steel body ensures extended service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2499\" data-end=\"2573\"\u003e\n\u003cp data-start=\"2501\" data-end=\"2573\"\u003eWalker Quiet-Flow® SS products include a \u003cstrong data-start=\"2542\" data-end=\"2571\"\u003elimited lifetime warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2574\" data-end=\"2634\"\u003e\n\u003cp data-start=\"2576\" data-end=\"2634\"\u003eEngineered for OE sound and factory-correct backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856280707271,"sku":"WAL21678","price":155.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21154530.png?v=1763770420","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-21678","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}