{"product_id":"walker-exhaust-muffler-21528","title":"WALKER - Exhaust Muffler - 21528","description":"\u003ch2 data-start=\"324\" data-end=\"346\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"348\" data-end=\"756\"\u003eThe WALKER 21528 Quiet-Flow® SS Exhaust Muffler is a premium, direct-fit stainless-steel replacement designed to restore OE-style performance, sound, and exhaust flow on select Chevrolet and Pontiac compact vehicles. As the only broad-market muffler made with \u003cstrong data-start=\"608\" data-end=\"645\"\u003e100% stainless-steel construction\u003c\/strong\u003e, it provides exceptional corrosion resistance and longevity compared to traditional aluminized-steel mufflers.\u003c\/p\u003e\n\u003cp data-start=\"758\" data-end=\"1160\"\u003eEngineered with OE-style louvered tubes, domed heads, and internal partitions, this muffler delivers precise acoustic control for a smooth, factory-correct exhaust tone. Mechanically joined tubes and spun-locked heads allow thermal expansion without distortion, ensuring long service life. With OE-style hangers, brackets, and pipe routing, installation is quick and requires no welding or fabrication.\u003c\/p\u003e\n\u003chr data-start=\"1162\" data-end=\"1165\"\u003e\n\u003ch2 data-start=\"1167\" data-end=\"1182\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1184\" data-end=\"1779\"\u003e\n\u003cli data-start=\"1184\" data-end=\"1272\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1272\"\u003e\u003cstrong data-start=\"1186\" data-end=\"1223\"\u003e100% Stainless-Steel Construction\u003c\/strong\u003e for maximum corrosion resistance and long life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1348\"\u003e\u003cstrong data-start=\"1275\" data-end=\"1310\"\u003eDirect-Fit, Bolt-On Replacement\u003c\/strong\u003e using OE-style hangers and brackets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1349\" data-end=\"1443\"\u003e\n\u003cp data-start=\"1351\" data-end=\"1443\"\u003e\u003cstrong data-start=\"1351\" data-end=\"1379\"\u003eOE-Style Acoustic Tuning\u003c\/strong\u003e with louvered tubes and domed heads for premium sound quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1533\"\u003e\n\u003cp data-start=\"1446\" data-end=\"1533\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1484\"\u003eMechanically Joined Internal Tubes\u003c\/strong\u003e minimize distortion during temperature changes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1534\" data-end=\"1620\"\u003e\n\u003cp data-start=\"1536\" data-end=\"1620\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1564\"\u003eInternal Drainage System\u003c\/strong\u003e reduces moisture accumulation for extended durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1621\" data-end=\"1691\"\u003e\n\u003cp data-start=\"1623\" data-end=\"1691\"\u003e\u003cstrong data-start=\"1623\" data-end=\"1649\"\u003eAcoustic \u0026amp; Flow Tested\u003c\/strong\u003e to ensure reliable OE-style performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1692\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1694\" data-end=\"1779\"\u003e\u003cstrong data-start=\"1694\" data-end=\"1742\"\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=\"1781\" data-end=\"1784\"\u003e\n\u003ch2 data-start=\"1786\" data-end=\"1813\"\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=\"1815\" data-end=\"2434\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1815\" data-end=\"1841\"\u003e\n\u003ctr data-start=\"1815\" data-end=\"1841\"\u003e\n\u003cth data-start=\"1815\" data-end=\"1831\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1831\" data-end=\"1841\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1868\" data-end=\"2434\"\u003e\n\u003ctr data-start=\"1868\" data-end=\"1884\"\u003e\n\u003ctd data-start=\"1868\" data-end=\"1876\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1876\" data-end=\"1884\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1885\" data-end=\"1908\"\u003e\n\u003ctd data-start=\"1885\" data-end=\"1894\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1894\" data-end=\"1908\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1909\" data-end=\"1944\"\u003e\n\u003ctd data-start=\"1909\" data-end=\"1925\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1925\" data-end=\"1944\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1945\" data-end=\"1977\"\u003e\n\u003ctd data-start=\"1945\" data-end=\"1958\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1958\" data-end=\"1977\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1978\" data-end=\"2011\"\u003e\n\u003ctd data-start=\"1978\" data-end=\"1992\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1992\" data-end=\"2011\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2012\" data-end=\"2048\"\u003e\n\u003ctd data-start=\"2012\" data-end=\"2036\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2036\" data-end=\"2048\"\u003e1.750 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2049\" data-end=\"2087\"\u003e\n\u003ctd data-start=\"2049\" data-end=\"2075\" data-col-size=\"sm\"\u003eOutlet Outside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2075\" data-end=\"2087\"\u003e2.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2088\" data-end=\"2115\"\u003e\n\u003ctd data-start=\"2088\" data-end=\"2105\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2105\" data-end=\"2115\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2116\" data-end=\"2144\"\u003e\n\u003ctd data-start=\"2116\" data-end=\"2134\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2134\" data-end=\"2144\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2145\" data-end=\"2167\"\u003e\n\u003ctd data-start=\"2145\" data-end=\"2162\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2162\" data-end=\"2167\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2168\" data-end=\"2191\"\u003e\n\u003ctd data-start=\"2168\" data-end=\"2186\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2186\" data-end=\"2191\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2192\" data-end=\"2218\"\u003e\n\u003ctd data-start=\"2192\" data-end=\"2206\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2206\" data-end=\"2218\"\u003e7.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2219\" data-end=\"2246\"\u003e\n\u003ctd data-start=\"2219\" data-end=\"2233\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2233\" data-end=\"2246\"\u003e18.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2247\" data-end=\"2272\"\u003e\n\u003ctd data-start=\"2247\" data-end=\"2260\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2260\" data-end=\"2272\"\u003e9.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2273\" data-end=\"2303\"\u003e\n\u003ctd data-start=\"2273\" data-end=\"2290\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2290\" data-end=\"2303\"\u003e28.875 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2304\" data-end=\"2331\"\u003e\n\u003ctd data-start=\"2304\" data-end=\"2319\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2319\" data-end=\"2331\"\u003e1.750 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2332\" data-end=\"2351\"\u003e\n\u003ctd data-start=\"2332\" data-end=\"2345\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2345\" data-end=\"2351\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2352\" data-end=\"2368\"\u003e\n\u003ctd data-start=\"2352\" data-end=\"2362\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2362\" data-end=\"2368\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2369\" data-end=\"2409\"\u003e\n\u003ctd data-start=\"2369\" data-end=\"2397\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2397\" data-end=\"2409\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2410\" data-end=\"2434\"\u003e\n\u003ctd data-start=\"2410\" data-end=\"2423\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2423\" data-end=\"2434\"\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=\"2436\" data-end=\"2439\"\u003e\n\u003ch2 data-start=\"2441\" data-end=\"2467\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2468\" data-end=\"2528\"\u003e\u003cem data-start=\"2468\" data-end=\"2528\"\u003e(One muffler required per vehicle unless otherwise noted.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2530\" data-end=\"2547\"\u003e\u003cstrong data-start=\"2534\" data-end=\"2547\"\u003eChevrolet\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2548\" data-end=\"2561\"\u003eCobalt\u003c\/h4\u003e\n\u003cul data-start=\"2562\" data-end=\"2608\"\u003e\n\u003cli data-start=\"2562\" data-end=\"2608\"\u003e\n\u003cp data-start=\"2564\" data-end=\"2608\"\u003e\u003cstrong data-start=\"2564\" data-end=\"2594\"\u003e2.2L L4 (2198cc \/ 134 cid)\u003c\/strong\u003e → 2005–2010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2610\" data-end=\"2613\"\u003e\n\u003ch3 data-start=\"2615\" data-end=\"2630\"\u003e\u003cstrong data-start=\"2619\" data-end=\"2630\"\u003ePontiac\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2631\" data-end=\"2640\"\u003eG5\u003c\/h4\u003e\n\u003cul data-start=\"2641\" data-end=\"2687\"\u003e\n\u003cli data-start=\"2641\" data-end=\"2687\"\u003e\n\u003cp data-start=\"2643\" data-end=\"2687\"\u003e\u003cstrong data-start=\"2643\" data-end=\"2673\"\u003e2.2L L4 (2198cc \/ 134 cid)\u003c\/strong\u003e → 2007–2010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2689\" data-end=\"2703\"\u003ePursuit\u003c\/h4\u003e\n\u003cul data-start=\"2704\" data-end=\"2745\"\u003e\n\u003cli data-start=\"2704\" data-end=\"2745\"\u003e\n\u003cp data-start=\"2706\" data-end=\"2745\"\u003e\u003cstrong data-start=\"2706\" data-end=\"2736\"\u003e2.2L L4 (2198cc \/ 134 cid)\u003c\/strong\u003e → 2006\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2747\" data-end=\"2750\"\u003e\n\u003ch2 data-start=\"2752\" data-end=\"2784\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2786\" data-end=\"3106\"\u003e\n\u003cli data-start=\"2786\" data-end=\"2851\"\u003e\n\u003cp data-start=\"2788\" data-end=\"2851\"\u003eDirect-fit design uses factory-style hangers and pipe routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2852\" data-end=\"2896\"\u003e\n\u003cp data-start=\"2854\" data-end=\"2896\"\u003eNo welding required—bolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2897\" data-end=\"2966\"\u003e\n\u003cp data-start=\"2899\" data-end=\"2966\"\u003eInspect clamps, gaskets, and rubber isolators during installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2967\" data-end=\"3023\"\u003e\n\u003cp data-start=\"2969\" data-end=\"3023\"\u003eDesigned to restore OE backpressure and exhaust tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3024\" data-end=\"3106\"\u003e\n\u003cp data-start=\"3026\" data-end=\"3106\"\u003eIncludes 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":45856167100615,"sku":"WAL21528","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21140722.png?v=1763762886","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-21528","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}