{"product_id":"walker-exhaust-muffler-21525","title":"WALKER - Exhaust Muffler - 21525","description":"\u003ch2 data-start=\"324\" data-end=\"346\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"348\" data-end=\"703\"\u003eThe WALKER 21525 Quiet-Flow® SS Exhaust Muffler is a premium, direct-fit replacement designed to restore OE-style sound, performance, and exhaust flow for select Buick 3.8L V6 sedans. Featuring \u003cstrong data-start=\"542\" data-end=\"579\"\u003e100% stainless-steel construction\u003c\/strong\u003e, this Quiet-Flow SS muffler delivers superior corrosion resistance and longevity over traditional aluminized steel options.\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"986\"\u003eOE-style louvered tubes, domed heads, and precision-engineered internal partitions deliver excellent acoustic control with factory-correct tone. Mechanically joined tubes and spun-locked heads help prevent distortion during heat cycling, ensuring strength and long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"988\" data-end=\"1128\"\u003eDesigned as a direct-fit, bolt-on solution, the 21525 uses OE-style hangers and pipe routing for fast and easy installation without welding.\u003c\/p\u003e\n\u003chr data-start=\"1130\" data-end=\"1133\"\u003e\n\u003ch2 data-start=\"1135\" data-end=\"1150\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1152\" data-end=\"1702\"\u003e\n\u003cli data-start=\"1152\" data-end=\"1226\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1226\"\u003e\u003cstrong data-start=\"1154\" data-end=\"1191\"\u003e100% Stainless-Steel Construction\u003c\/strong\u003e for maximum corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1227\" data-end=\"1301\"\u003e\n\u003cp data-start=\"1229\" data-end=\"1301\"\u003e\u003cstrong data-start=\"1229\" data-end=\"1258\"\u003eDirect-Fit Bolt-On Design\u003c\/strong\u003e using OE-style hangers and pipe routings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1302\" data-end=\"1370\"\u003e\n\u003cp data-start=\"1304\" data-end=\"1370\"\u003e\u003cstrong data-start=\"1304\" data-end=\"1332\"\u003eOE-Style Acoustic Tuning\u003c\/strong\u003e with louvered tubes and domed heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1371\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1373\" data-end=\"1457\"\u003e\u003cstrong data-start=\"1373\" data-end=\"1411\"\u003eMechanically Joined Internal Tubes\u003c\/strong\u003e minimize distortion under thermal expansion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1458\" data-end=\"1535\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1535\"\u003e\u003cstrong data-start=\"1460\" data-end=\"1499\"\u003eSpun-Locked Heads \u0026amp; Drainage System\u003c\/strong\u003e extend service life and stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1536\" data-end=\"1613\"\u003e\n\u003cp data-start=\"1538\" data-end=\"1613\"\u003e\u003cstrong data-start=\"1538\" data-end=\"1568\"\u003eFlow \u0026amp; Acoustically Tested\u003c\/strong\u003e for OE-style performance and sound quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1614\" data-end=\"1702\"\u003e\n\u003cp data-start=\"1616\" data-end=\"1702\"\u003e\u003cstrong data-start=\"1616\" data-end=\"1665\"\u003eCovered 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=\"1704\" data-end=\"1707\"\u003e\n\u003ch2 data-start=\"1709\" data-end=\"1736\"\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=\"1738\" data-end=\"2346\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1738\" data-end=\"1764\"\u003e\n\u003ctr data-start=\"1738\" data-end=\"1764\"\u003e\n\u003cth data-start=\"1738\" data-end=\"1754\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1754\" data-end=\"1764\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1791\" data-end=\"2346\"\u003e\n\u003ctr data-start=\"1791\" data-end=\"1807\"\u003e\n\u003ctd data-start=\"1791\" data-end=\"1799\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1799\" data-end=\"1807\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1808\" data-end=\"1831\"\u003e\n\u003ctd data-start=\"1808\" data-end=\"1817\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1817\" data-end=\"1831\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1832\" data-end=\"1867\"\u003e\n\u003ctd data-start=\"1832\" data-end=\"1848\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1848\" data-end=\"1867\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1868\" data-end=\"1900\"\u003e\n\u003ctd data-start=\"1868\" data-end=\"1881\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-start=\"1881\" data-end=\"1900\" data-col-size=\"sm\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1901\" data-end=\"1922\"\u003e\n\u003ctd data-start=\"1901\" data-end=\"1915\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1915\" data-end=\"1922\"\u003eTip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1923\" data-end=\"1959\"\u003e\n\u003ctd data-start=\"1923\" data-end=\"1947\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1947\" data-end=\"1959\"\u003e2.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1960\" data-end=\"1998\"\u003e\n\u003ctd data-start=\"1960\" data-end=\"1986\" data-col-size=\"sm\"\u003eOutlet Outside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1986\" data-end=\"1998\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1999\" data-end=\"2026\"\u003e\n\u003ctd data-start=\"1999\" data-end=\"2016\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2016\" data-end=\"2026\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2027\" data-end=\"2055\"\u003e\n\u003ctd data-start=\"2027\" data-end=\"2045\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2045\" data-end=\"2055\"\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2056\" data-end=\"2078\"\u003e\n\u003ctd data-start=\"2056\" data-end=\"2073\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-start=\"2073\" data-end=\"2078\" data-col-size=\"sm\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2079\" data-end=\"2102\"\u003e\n\u003ctd data-start=\"2079\" data-end=\"2097\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2097\" data-end=\"2102\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2103\" data-end=\"2129\"\u003e\n\u003ctd data-start=\"2103\" data-end=\"2117\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2117\" data-end=\"2129\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2130\" data-end=\"2157\"\u003e\n\u003ctd data-start=\"2130\" data-end=\"2144\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-start=\"2144\" data-end=\"2157\" data-col-size=\"sm\"\u003e15.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2158\" data-end=\"2184\"\u003e\n\u003ctd data-start=\"2158\" data-end=\"2171\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2171\" data-end=\"2184\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2185\" data-end=\"2215\"\u003e\n\u003ctd data-start=\"2185\" data-end=\"2202\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2202\" data-end=\"2215\"\u003e21.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2216\" data-end=\"2243\"\u003e\n\u003ctd data-start=\"2216\" data-end=\"2231\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2231\" data-end=\"2243\"\u003e3.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2244\" data-end=\"2263\"\u003e\n\u003ctd data-start=\"2244\" data-end=\"2257\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2257\" data-end=\"2263\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2264\" data-end=\"2280\"\u003e\n\u003ctd data-start=\"2264\" data-end=\"2274\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-start=\"2274\" data-end=\"2280\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2281\" data-end=\"2321\"\u003e\n\u003ctd data-start=\"2281\" data-end=\"2309\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2309\" data-end=\"2321\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2322\" data-end=\"2346\"\u003e\n\u003ctd data-start=\"2322\" data-end=\"2335\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-start=\"2335\" data-end=\"2346\" 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=\"2348\" data-end=\"2351\"\u003e\n\u003ch2 data-start=\"2353\" data-end=\"2379\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2380\" data-end=\"2440\"\u003e\u003cem data-start=\"2380\" data-end=\"2440\"\u003e(One muffler required per vehicle unless otherwise noted.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2442\" data-end=\"2455\"\u003e\u003cstrong data-start=\"2446\" data-end=\"2455\"\u003eBuick\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2456\" data-end=\"2469\"\u003eAllure\u003c\/h4\u003e\n\u003cul data-start=\"2470\" data-end=\"2516\"\u003e\n\u003cli data-start=\"2470\" data-end=\"2516\"\u003e\n\u003cp data-start=\"2472\" data-end=\"2516\"\u003e\u003cstrong data-start=\"2472\" data-end=\"2502\"\u003e3.8L V6 (3800cc \/ 231 cid)\u003c\/strong\u003e → 2005–2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2518\" data-end=\"2533\"\u003eLaCrosse\u003c\/h4\u003e\n\u003cul data-start=\"2534\" data-end=\"2580\"\u003e\n\u003cli data-start=\"2534\" data-end=\"2580\"\u003e\n\u003cp data-start=\"2536\" data-end=\"2580\"\u003e\u003cstrong data-start=\"2536\" data-end=\"2566\"\u003e3.8L V6 (3800cc \/ 231 cid)\u003c\/strong\u003e → 2005–2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2582\" data-end=\"2585\"\u003e\n\u003ch2 data-start=\"2587\" data-end=\"2619\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2621\" data-end=\"2969\"\u003e\n\u003cli data-start=\"2621\" data-end=\"2685\"\u003e\n\u003cp data-start=\"2623\" data-end=\"2685\"\u003eBolt-on installation with OE-style hangers—no welding needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2686\" data-end=\"2746\"\u003e\n\u003cp data-start=\"2688\" data-end=\"2746\"\u003eRestores original sound characteristics and exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2747\" data-end=\"2804\"\u003e\n\u003cp data-start=\"2749\" data-end=\"2804\"\u003eReplace gaskets and clamps as needed for best sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2805\" data-end=\"2885\"\u003e\n\u003cp data-start=\"2807\" data-end=\"2885\"\u003eDesigned to outperform aluminized-steel mufflers in longevity and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2886\" data-end=\"2969\"\u003e\n\u003cp data-start=\"2888\" data-end=\"2969\"\u003eBacked by Walker’s limited lifetime warranty and 90-Day Safe \u0026amp; Sound® Guarantee\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856175128775,"sku":"WAL21525","price":128.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21142929.png?v=1763764738","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-21525","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}