{"product_id":"walker-exhaust-muffler-18913","title":"WALKER - Exhaust Muffler - 18913","description":"\u003ch2 data-start=\"317\" data-end=\"339\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"341\" data-end=\"722\"\u003eThe WALKER 18913 SoundFX® Exhaust Muffler is a direct-fit replacement designed to restore factory exhaust tone, performance, and durability for GM compact trucks and the Isuzu Hombre equipped with the 4.3L V6 engine. Constructed from \u003cstrong data-start=\"575\" data-end=\"600\"\u003e100% aluminized steel\u003c\/strong\u003e, this muffler resists corrosion and offers a significantly longer service life compared to low-carbon steel alternatives.\u003c\/p\u003e\n\u003cp data-start=\"724\" data-end=\"1050\"\u003eEngineered with OE-style louvered tubes, internal partitions, and spun-locked heads, the 18913 provides reliable acoustic control and reduced radiated noise, delivering a quiet and factory-correct exhaust note. Its direct-fit configuration features OE-style pipe routing for simplified installation without cutting or welding.\u003c\/p\u003e\n\u003cp data-start=\"1052\" data-end=\"1189\"\u003eDurable, dependable, and designed to perform, this muffler is an excellent replacement solution for S10, Sonoma, and Hombre applications.\u003c\/p\u003e\n\u003chr data-start=\"1191\" data-end=\"1194\"\u003e\n\u003ch2 data-start=\"1196\" data-end=\"1211\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1213\" data-end=\"1693\"\u003e\n\u003cli data-start=\"1213\" data-end=\"1289\"\u003e\n\u003cp data-start=\"1215\" data-end=\"1289\"\u003e\u003cstrong data-start=\"1215\" data-end=\"1248\"\u003eAluminized Steel Construction\u003c\/strong\u003e for corrosion resistance and longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1290\" data-end=\"1367\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1313\"\u003eDirect-Fit Design\u003c\/strong\u003e with OE-style routing for easy bolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1368\" data-end=\"1444\"\u003e\n\u003cp data-start=\"1370\" data-end=\"1444\"\u003e\u003cstrong data-start=\"1370\" data-end=\"1397\"\u003eOE-Style Louvered Tubes\u003c\/strong\u003e reduce exhaust noise for factory-style sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1445\" data-end=\"1533\"\u003e\n\u003cp data-start=\"1447\" data-end=\"1533\"\u003e\u003cstrong data-start=\"1447\" data-end=\"1490\"\u003eInternal Partitions \u0026amp; Spun-Locked Heads\u003c\/strong\u003e improve durability and thermal stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1534\" data-end=\"1612\"\u003e\n\u003cp data-start=\"1536\" data-end=\"1612\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1577\"\u003eBuilt to Match OE Exhaust Performance\u003c\/strong\u003e and backpressure characteristics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1613\" data-end=\"1693\"\u003e\n\u003cp data-start=\"1615\" data-end=\"1693\"\u003e\u003cstrong data-start=\"1615\" data-end=\"1638\"\u003eEngineered \u0026amp; Tested\u003c\/strong\u003e for long service life under daily driving conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1695\" data-end=\"1698\"\u003e\n\u003ch2 data-start=\"1700\" data-end=\"1727\"\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=\"1729\" data-end=\"2338\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1729\" data-end=\"1755\"\u003e\n\u003ctr data-start=\"1729\" data-end=\"1755\"\u003e\n\u003cth data-start=\"1729\" data-end=\"1745\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1745\" data-end=\"1755\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1782\" data-end=\"2338\"\u003e\n\u003ctr data-start=\"1782\" data-end=\"1798\"\u003e\n\u003ctd data-start=\"1782\" data-end=\"1790\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1790\" data-end=\"1798\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1799\" data-end=\"1822\"\u003e\n\u003ctd data-start=\"1799\" data-end=\"1808\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1808\" data-end=\"1822\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1823\" data-end=\"1848\"\u003e\n\u003ctd data-start=\"1823\" data-end=\"1839\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1839\" data-end=\"1848\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1849\" data-end=\"1881\"\u003e\n\u003ctd data-start=\"1849\" data-end=\"1862\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1862\" data-end=\"1881\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1882\" data-end=\"1915\"\u003e\n\u003ctd data-start=\"1882\" data-end=\"1896\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1896\" data-end=\"1915\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1916\" data-end=\"1952\"\u003e\n\u003ctd data-start=\"1916\" data-end=\"1940\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1940\" data-end=\"1952\"\u003e2.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1953\" data-end=\"1990\"\u003e\n\u003ctd data-start=\"1953\" data-end=\"1978\" data-col-size=\"sm\"\u003eOutlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1978\" data-end=\"1990\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1991\" data-end=\"2018\"\u003e\n\u003ctd data-start=\"1991\" data-end=\"2008\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2008\" data-end=\"2018\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2019\" data-end=\"2047\"\u003e\n\u003ctd data-start=\"2019\" data-end=\"2037\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2037\" data-end=\"2047\"\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2048\" data-end=\"2070\"\u003e\n\u003ctd data-start=\"2048\" data-end=\"2065\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2065\" data-end=\"2070\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2071\" data-end=\"2094\"\u003e\n\u003ctd data-start=\"2071\" data-end=\"2089\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2089\" data-end=\"2094\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2095\" data-end=\"2121\"\u003e\n\u003ctd data-start=\"2095\" data-end=\"2109\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2109\" data-end=\"2121\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2122\" data-end=\"2149\"\u003e\n\u003ctd data-start=\"2122\" data-end=\"2136\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2136\" data-end=\"2149\"\u003e20.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2150\" data-end=\"2176\"\u003e\n\u003ctd data-start=\"2150\" data-end=\"2163\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2163\" data-end=\"2176\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2177\" data-end=\"2207\"\u003e\n\u003ctd data-start=\"2177\" data-end=\"2194\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2194\" data-end=\"2207\"\u003e24.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2208\" data-end=\"2235\"\u003e\n\u003ctd data-start=\"2208\" data-end=\"2223\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2223\" data-end=\"2235\"\u003e3.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2236\" data-end=\"2255\"\u003e\n\u003ctd data-start=\"2236\" data-end=\"2249\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2249\" data-end=\"2255\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2256\" data-end=\"2272\"\u003e\n\u003ctd data-start=\"2256\" data-end=\"2266\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-start=\"2266\" data-end=\"2272\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2273\" data-end=\"2313\"\u003e\n\u003ctd data-start=\"2273\" data-end=\"2301\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2301\" data-end=\"2313\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2314\" data-end=\"2338\"\u003e\n\u003ctd data-start=\"2314\" data-end=\"2327\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2327\" data-end=\"2338\"\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=\"2340\" data-end=\"2343\"\u003e\n\u003ch2 data-start=\"2345\" data-end=\"2371\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2372\" data-end=\"2432\"\u003e\u003cem data-start=\"2372\" data-end=\"2432\"\u003e(One muffler required per vehicle unless otherwise noted.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2434\" data-end=\"2451\"\u003e\u003cstrong data-start=\"2438\" data-end=\"2451\"\u003eChevrolet\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2452\" data-end=\"2462\"\u003eS10\u003c\/h4\u003e\n\u003cul data-start=\"2463\" data-end=\"2538\"\u003e\n\u003cli data-start=\"2463\" data-end=\"2538\"\u003e\n\u003cp data-start=\"2465\" data-end=\"2488\"\u003e\u003cstrong data-start=\"2465\" data-end=\"2486\"\u003e4.3L V6 (262 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2491\" data-end=\"2538\"\u003e\n\u003cli data-start=\"2491\" data-end=\"2513\"\u003e\n\u003cp data-start=\"2493\" data-end=\"2513\"\u003e\u003cstrong data-start=\"2493\" data-end=\"2501\"\u003eRWD:\u003c\/strong\u003e 1998–2003\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2516\" data-end=\"2538\"\u003e\n\u003cp data-start=\"2518\" data-end=\"2538\"\u003e\u003cstrong data-start=\"2518\" data-end=\"2526\"\u003e4WD:\u003c\/strong\u003e 1996–2004\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2540\" data-end=\"2543\"\u003e\n\u003ch3 data-start=\"2545\" data-end=\"2556\"\u003e\u003cstrong data-start=\"2549\" data-end=\"2556\"\u003eGMC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2557\" data-end=\"2570\"\u003eSonoma\u003c\/h4\u003e\n\u003cul data-start=\"2571\" data-end=\"2646\"\u003e\n\u003cli data-start=\"2571\" data-end=\"2646\"\u003e\n\u003cp data-start=\"2573\" data-end=\"2596\"\u003e\u003cstrong data-start=\"2573\" data-end=\"2594\"\u003e4.3L V6 (262 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2599\" data-end=\"2646\"\u003e\n\u003cli data-start=\"2599\" data-end=\"2621\"\u003e\n\u003cp data-start=\"2601\" data-end=\"2621\"\u003e\u003cstrong data-start=\"2601\" data-end=\"2609\"\u003eRWD:\u003c\/strong\u003e 1998–2003\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2624\" data-end=\"2646\"\u003e\n\u003cp data-start=\"2626\" data-end=\"2646\"\u003e\u003cstrong data-start=\"2626\" data-end=\"2634\"\u003e4WD:\u003c\/strong\u003e 1996–2004\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2648\" data-end=\"2651\"\u003e\n\u003ch3 data-start=\"2653\" data-end=\"2666\"\u003e\u003cstrong data-start=\"2657\" data-end=\"2666\"\u003eIsuzu\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2667\" data-end=\"2680\"\u003eHombre\u003c\/h4\u003e\n\u003cul data-start=\"2681\" data-end=\"2754\"\u003e\n\u003cli data-start=\"2681\" data-end=\"2717\"\u003e\n\u003cp data-start=\"2683\" data-end=\"2717\"\u003e\u003cstrong data-start=\"2683\" data-end=\"2703\"\u003e4.3L V6 (4294cc)\u003c\/strong\u003e → 1998–1999\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2718\" data-end=\"2754\"\u003e\n\u003cp data-start=\"2720\" data-end=\"2754\"\u003e\u003cstrong data-start=\"2720\" data-end=\"2745\"\u003e4.3L V6 (4294cc), RWD\u003c\/strong\u003e → 1997\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2756\" data-end=\"2759\"\u003e\n\u003ch2 data-start=\"2761\" data-end=\"2793\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2795\" data-end=\"3031\"\u003e\n\u003cli data-start=\"2795\" data-end=\"2844\"\u003e\n\u003cp data-start=\"2797\" data-end=\"2844\"\u003eDirect-fit design minimizes installation time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2845\" data-end=\"2899\"\u003e\n\u003cp data-start=\"2847\" data-end=\"2899\"\u003eMay require new clamps or gaskets for best sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2900\" data-end=\"2961\"\u003e\n\u003cp data-start=\"2902\" data-end=\"2961\"\u003eDesigned to restore OE sound quality and exhaust gas flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2962\" data-end=\"3031\"\u003e\n\u003cp data-start=\"2964\" data-end=\"3031\"\u003eAluminized steel helps extend service life under harsh conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856174702791,"sku":"WAL18913","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21142631.png?v=1763763936","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-18913","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}