{"product_id":"walker-exhaust-muffler-18218","title":"WALKER - Exhaust Muffler - 18218","description":"\u003ch2 data-start=\"319\" data-end=\"341\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"343\" data-end=\"682\"\u003eThe WALKER 18218 SoundFX® Exhaust Muffler is engineered as a direct-fit, premium replacement for GM full-size Suburban models equipped with the 5.7L V8 engine. Constructed from \u003cstrong data-start=\"520\" data-end=\"545\"\u003e100% aluminized steel\u003c\/strong\u003e, this SoundFX® muffler offers superior corrosion resistance and extended durability when compared to traditional low-carbon steel units.\u003c\/p\u003e\n\u003cp data-start=\"684\" data-end=\"981\"\u003eMechanical interior joints, internal partitions, and spun-locked heads allow for proper thermal expansion and contraction, helping prevent distortion and prolonging the life of the muffler. The integrated internal drainage system minimizes moisture buildup, further enhancing corrosion resistance.\u003c\/p\u003e\n\u003cp data-start=\"983\" data-end=\"1342\"\u003eDesigned with OE-style louvered tubes, this muffler delivers reduced radiated noise and restores smooth, factory-style exhaust sound. With direct-fit pipe connections and OE-style routing, the 18218 installs easily with no welding or fabrication required. Rigorously tested for longevity, the WALKER SoundFX® series ensures reliable, long-lasting performance.\u003c\/p\u003e\n\u003chr data-start=\"1344\" data-end=\"1347\"\u003e\n\u003ch2 data-start=\"1349\" data-end=\"1364\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1366\" data-end=\"1866\"\u003e\n\u003cli data-start=\"1366\" data-end=\"1429\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1429\"\u003e\u003cstrong data-start=\"1368\" data-end=\"1393\"\u003eAluminized Steel Body\u003c\/strong\u003e for improved corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1430\" data-end=\"1504\"\u003e\n\u003cp data-start=\"1432\" data-end=\"1504\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1459\"\u003eDirect-Fit Installation\u003c\/strong\u003e with OE-style routing and pipe connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1505\" data-end=\"1593\"\u003e\n\u003cp data-start=\"1507\" data-end=\"1593\"\u003e\u003cstrong data-start=\"1507\" data-end=\"1531\"\u003eDurable Construction\u003c\/strong\u003e featuring internal partitions and mechanically joined tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1594\" data-end=\"1672\"\u003e\n\u003cp data-start=\"1596\" data-end=\"1672\"\u003e\u003cstrong data-start=\"1596\" data-end=\"1619\"\u003eFactory-Style Sound\u003c\/strong\u003e delivered through OE-style louvered acoustic tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1673\" data-end=\"1741\"\u003e\n\u003cp data-start=\"1675\" data-end=\"1741\"\u003e\u003cstrong data-start=\"1675\" data-end=\"1696\"\u003eSpun-Locked Heads\u003c\/strong\u003e enhance strength and long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1742\" data-end=\"1814\"\u003e\n\u003cp data-start=\"1744\" data-end=\"1814\"\u003e\u003cstrong data-start=\"1744\" data-end=\"1772\"\u003eInternal Drainage System\u003c\/strong\u003e helps reduce moisture-related corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1815\" data-end=\"1866\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1866\"\u003e\u003cstrong data-start=\"1817\" data-end=\"1838\"\u003eDesigned \u0026amp; Tested\u003c\/strong\u003e for extended service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1868\" data-end=\"1871\"\u003e\n\u003ch2 data-start=\"1873\" data-end=\"1900\"\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=\"1902\" data-end=\"2511\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1902\" data-end=\"1928\"\u003e\n\u003ctr data-start=\"1902\" data-end=\"1928\"\u003e\n\u003cth data-start=\"1902\" data-end=\"1918\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1918\" data-end=\"1928\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1955\" data-end=\"2511\"\u003e\n\u003ctr data-start=\"1955\" data-end=\"1971\"\u003e\n\u003ctd data-start=\"1955\" data-end=\"1963\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1963\" data-end=\"1971\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1972\" data-end=\"1995\"\u003e\n\u003ctd data-start=\"1972\" data-end=\"1981\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1981\" data-end=\"1995\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1996\" data-end=\"2021\"\u003e\n\u003ctd data-start=\"1996\" data-end=\"2012\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2012\" data-end=\"2021\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2022\" data-end=\"2054\"\u003e\n\u003ctd data-start=\"2022\" data-end=\"2035\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2035\" data-end=\"2054\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2055\" data-end=\"2088\"\u003e\n\u003ctd data-start=\"2055\" data-end=\"2069\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2069\" data-end=\"2088\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2089\" data-end=\"2125\"\u003e\n\u003ctd data-start=\"2089\" data-end=\"2113\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2113\" data-end=\"2125\"\u003e3.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2126\" data-end=\"2164\"\u003e\n\u003ctd data-start=\"2126\" data-end=\"2152\" data-col-size=\"sm\"\u003eOutlet Outside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2152\" data-end=\"2164\"\u003e3.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2165\" data-end=\"2192\"\u003e\n\u003ctd data-start=\"2165\" data-end=\"2182\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2182\" data-end=\"2192\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2193\" data-end=\"2215\"\u003e\n\u003ctd data-start=\"2193\" data-end=\"2210\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2210\" data-end=\"2215\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2216\" data-end=\"2244\"\u003e\n\u003ctd data-start=\"2216\" data-end=\"2234\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2234\" data-end=\"2244\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2245\" data-end=\"2268\"\u003e\n\u003ctd data-start=\"2245\" data-end=\"2263\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2263\" data-end=\"2268\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2269\" data-end=\"2295\"\u003e\n\u003ctd data-start=\"2269\" data-end=\"2283\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2283\" data-end=\"2295\"\u003e7.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2296\" data-end=\"2323\"\u003e\n\u003ctd data-start=\"2296\" data-end=\"2310\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2310\" data-end=\"2323\"\u003e27.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2324\" data-end=\"2349\"\u003e\n\u003ctd data-start=\"2324\" data-end=\"2337\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2337\" data-end=\"2349\"\u003e9.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2350\" data-end=\"2380\"\u003e\n\u003ctd data-start=\"2350\" data-end=\"2367\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2367\" data-end=\"2380\"\u003e33.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2381\" data-end=\"2408\"\u003e\n\u003ctd data-start=\"2381\" data-end=\"2396\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2396\" data-end=\"2408\"\u003e1.625 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2409\" data-end=\"2428\"\u003e\n\u003ctd data-start=\"2409\" data-end=\"2422\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-start=\"2422\" data-end=\"2428\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2429\" data-end=\"2445\"\u003e\n\u003ctd data-start=\"2429\" data-end=\"2439\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2439\" data-end=\"2445\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2446\" data-end=\"2486\"\u003e\n\u003ctd data-start=\"2446\" data-end=\"2474\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2474\" data-end=\"2486\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2487\" data-end=\"2511\"\u003e\n\u003ctd data-start=\"2487\" data-end=\"2500\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2500\" data-end=\"2511\"\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=\"2513\" data-end=\"2516\"\u003e\n\u003ch2 data-start=\"2518\" data-end=\"2544\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2545\" data-end=\"2607\"\u003e\u003cem data-start=\"2545\" data-end=\"2607\"\u003e(Direct-fit applications. One muffler required per vehicle.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2609\" data-end=\"2626\"\u003e\u003cstrong data-start=\"2613\" data-end=\"2626\"\u003eChevrolet\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2628\" data-end=\"2668\"\u003e\u003cstrong data-start=\"2628\" data-end=\"2666\"\u003eC1500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2669\" data-end=\"2682\"\u003e\n\u003cli data-start=\"2669\" data-end=\"2682\"\u003e\n\u003cp data-start=\"2671\" data-end=\"2682\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2684\" data-end=\"2724\"\u003e\u003cstrong data-start=\"2684\" data-end=\"2722\"\u003eC2500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2725\" data-end=\"2738\"\u003e\n\u003cli data-start=\"2725\" data-end=\"2738\"\u003e\n\u003cp data-start=\"2727\" data-end=\"2738\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2740\" data-end=\"2780\"\u003e\u003cstrong data-start=\"2740\" data-end=\"2778\"\u003eK1500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2781\" data-end=\"2794\"\u003e\n\u003cli data-start=\"2781\" data-end=\"2794\"\u003e\n\u003cp data-start=\"2783\" data-end=\"2794\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2796\" data-end=\"2836\"\u003e\u003cstrong data-start=\"2796\" data-end=\"2834\"\u003eK2500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2837\" data-end=\"2850\"\u003e\n\u003cli data-start=\"2837\" data-end=\"2850\"\u003e\n\u003cp data-start=\"2839\" data-end=\"2850\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2852\" data-end=\"2855\"\u003e\n\u003ch3 data-start=\"2857\" data-end=\"2868\"\u003e\u003cstrong data-start=\"2861\" data-end=\"2868\"\u003eGMC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2870\" data-end=\"2910\"\u003e\u003cstrong data-start=\"2870\" data-end=\"2908\"\u003eC1500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2911\" data-end=\"2924\"\u003e\n\u003cli data-start=\"2911\" data-end=\"2924\"\u003e\n\u003cp data-start=\"2913\" data-end=\"2924\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2926\" data-end=\"2966\"\u003e\u003cstrong data-start=\"2926\" data-end=\"2964\"\u003eC2500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2967\" data-end=\"2980\"\u003e\n\u003cli data-start=\"2967\" data-end=\"2980\"\u003e\n\u003cp data-start=\"2969\" data-end=\"2980\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2982\" data-end=\"3022\"\u003e\u003cstrong data-start=\"2982\" data-end=\"3020\"\u003eK1500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3023\" data-end=\"3036\"\u003e\n\u003cli data-start=\"3023\" data-end=\"3036\"\u003e\n\u003cp data-start=\"3025\" data-end=\"3036\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3038\" data-end=\"3078\"\u003e\u003cstrong data-start=\"3038\" data-end=\"3076\"\u003eK2500 Suburban — 5.7L V8 (350 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3079\" data-end=\"3092\"\u003e\n\u003cli data-start=\"3079\" data-end=\"3092\"\u003e\n\u003cp data-start=\"3081\" data-end=\"3092\"\u003e1992–1995\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3094\" data-end=\"3097\"\u003e\n\u003ch2 data-start=\"3099\" data-end=\"3131\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"3133\" data-end=\"3450\"\u003e\n\u003cli data-start=\"3133\" data-end=\"3193\"\u003e\n\u003cp data-start=\"3135\" data-end=\"3193\"\u003eDesigned for direct-fit installation—no welding required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3194\" data-end=\"3255\"\u003e\n\u003cp data-start=\"3196\" data-end=\"3255\"\u003eInspect clamps, hangers, and hardware and replace if worn\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3256\" data-end=\"3311\"\u003e\n\u003cp data-start=\"3258\" data-end=\"3311\"\u003eEnsure proper alignment to avoid vibration or leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3312\" data-end=\"3389\"\u003e\n\u003cp data-start=\"3314\" data-end=\"3389\"\u003eSoundFX® mufflers are performance-tested for OE-style sound and longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3390\" data-end=\"3450\"\u003e\n\u003cp data-start=\"3392\" data-end=\"3450\"\u003eMatch inlet\/outlet routing with OE exhaust configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45855775752391,"sku":"WAL18218","price":86.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21103609.png?v=1763750150","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-18218","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}