{"product_id":"walker-exhaust-muffler-18948","title":"WALKER - Exhaust Muffler - 18948","description":"\u003ch2 data-start=\"320\" data-end=\"342\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"344\" data-end=\"702\"\u003eThe WALKER 18948 SoundFX® Exhaust Muffler is a high-quality, direct-fit replacement designed to restore OE-style sound, performance, and reliability on select Chevrolet Impala and Monte Carlo models. Built from \u003cstrong data-start=\"555\" data-end=\"580\"\u003e100% aluminized steel\u003c\/strong\u003e, this muffler offers superior corrosion protection and extended service life compared to standard low-carbon steel units.\u003c\/p\u003e\n\u003cp data-start=\"704\" data-end=\"971\"\u003eInternal partitions, mechanically joined tubes, and spun-locked heads provide long-lasting durability and allow for controlled thermal expansion without distortion. The integrated internal drainage system further enhances longevity by helping reduce moisture buildup.\u003c\/p\u003e\n\u003cp data-start=\"973\" data-end=\"1316\"\u003eEngineered with OE-style louvered tubes, the 18948 delivers factory-correct acoustic performance—minimizing radiated noise while preserving the smooth exhaust tone expected from an original-equipment system. With OE-style hangers and pipe routings already installed, this muffler bolts on easily with no welding or custom fabrication required.\u003c\/p\u003e\n\u003chr data-start=\"1318\" data-end=\"1321\"\u003e\n\u003ch2 data-start=\"1323\" data-end=\"1338\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1340\" data-end=\"1857\"\u003e\n\u003cli data-start=\"1340\" data-end=\"1434\"\u003e\n\u003cp data-start=\"1342\" data-end=\"1434\"\u003e\u003cstrong data-start=\"1342\" data-end=\"1375\"\u003eAluminized Steel Construction\u003c\/strong\u003e for increased corrosion resistance and long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1435\" data-end=\"1509\"\u003e\n\u003cp data-start=\"1437\" data-end=\"1509\"\u003e\u003cstrong data-start=\"1437\" data-end=\"1471\"\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=\"1510\" data-end=\"1590\"\u003e\n\u003cp data-start=\"1512\" data-end=\"1590\"\u003e\u003cstrong data-start=\"1512\" data-end=\"1541\"\u003eDurable Mechanical Design\u003c\/strong\u003e with internal partitions and spun-locked heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1591\" data-end=\"1652\"\u003e\n\u003cp data-start=\"1593\" data-end=\"1652\"\u003e\u003cstrong data-start=\"1593\" data-end=\"1616\"\u003eFactory-Style Sound\u003c\/strong\u003e from louvered noise-control tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1653\" data-end=\"1726\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1726\"\u003e\u003cstrong data-start=\"1655\" data-end=\"1683\"\u003eInternal Drainage System\u003c\/strong\u003e helps prevent moisture-related corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1727\" data-end=\"1801\"\u003e\n\u003cp data-start=\"1729\" data-end=\"1801\"\u003e\u003cstrong data-start=\"1729\" data-end=\"1761\"\u003ePremium Quality Construction\u003c\/strong\u003e for dependable day-to-day performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1802\" data-end=\"1857\"\u003e\n\u003cp data-start=\"1804\" data-end=\"1857\"\u003e\u003cstrong data-start=\"1804\" data-end=\"1825\"\u003eDesigned \u0026amp; Tested\u003c\/strong\u003e to maximize muffler longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1859\" data-end=\"1862\"\u003e\n\u003ch2 data-start=\"1864\" data-end=\"1891\"\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=\"1893\" data-end=\"2517\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1893\" data-end=\"1919\"\u003e\n\u003ctr data-start=\"1893\" data-end=\"1919\"\u003e\n\u003cth data-start=\"1893\" data-end=\"1909\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1909\" data-end=\"1919\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1946\" data-end=\"2517\"\u003e\n\u003ctr data-start=\"1946\" data-end=\"1962\"\u003e\n\u003ctd data-start=\"1946\" data-end=\"1954\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1954\" data-end=\"1962\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1963\" data-end=\"1986\"\u003e\n\u003ctd data-start=\"1963\" data-end=\"1972\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1972\" data-end=\"1986\"\u003eAluminized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1987\" data-end=\"2012\"\u003e\n\u003ctd data-start=\"1987\" data-end=\"2003\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2003\" data-end=\"2012\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2013\" data-end=\"2045\"\u003e\n\u003ctd data-start=\"2013\" data-end=\"2026\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2026\" data-end=\"2045\"\u003ePipe Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2046\" data-end=\"2067\"\u003e\n\u003ctd data-start=\"2046\" data-end=\"2060\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2060\" data-end=\"2067\"\u003eTip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2068\" data-end=\"2104\"\u003e\n\u003ctd data-start=\"2068\" data-end=\"2092\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2092\" data-end=\"2104\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2105\" data-end=\"2143\"\u003e\n\u003ctd data-start=\"2105\" data-end=\"2131\" data-col-size=\"sm\"\u003eOutlet Outside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2131\" data-end=\"2143\"\u003e2.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2144\" data-end=\"2171\"\u003e\n\u003ctd data-start=\"2144\" data-end=\"2161\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2161\" data-end=\"2171\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2172\" data-end=\"2194\"\u003e\n\u003ctd data-start=\"2172\" data-end=\"2189\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2189\" data-end=\"2194\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2195\" data-end=\"2223\"\u003e\n\u003ctd data-start=\"2195\" data-end=\"2213\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2213\" data-end=\"2223\"\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2224\" data-end=\"2247\"\u003e\n\u003ctd data-start=\"2224\" data-end=\"2242\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2242\" data-end=\"2247\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2248\" data-end=\"2274\"\u003e\n\u003ctd data-start=\"2248\" data-end=\"2262\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2262\" data-end=\"2274\"\u003e5.500 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2275\" data-end=\"2302\"\u003e\n\u003ctd data-start=\"2275\" data-end=\"2289\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2289\" data-end=\"2302\"\u003e15.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2303\" data-end=\"2329\"\u003e\n\u003ctd data-start=\"2303\" data-end=\"2316\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-start=\"2316\" data-end=\"2329\" data-col-size=\"sm\"\u003e11.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2330\" data-end=\"2360\"\u003e\n\u003ctd data-start=\"2330\" data-end=\"2347\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-start=\"2347\" data-end=\"2360\" data-col-size=\"sm\"\u003e27.250 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2361\" data-end=\"2388\"\u003e\n\u003ctd data-start=\"2361\" data-end=\"2376\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-start=\"2376\" data-end=\"2388\" data-col-size=\"sm\"\u003e3.750 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2389\" data-end=\"2414\"\u003e\n\u003ctd data-start=\"2389\" data-end=\"2407\" data-col-size=\"sm\"\u003eHanger Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2407\" data-end=\"2414\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2415\" data-end=\"2434\"\u003e\n\u003ctd data-start=\"2415\" data-end=\"2428\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2428\" data-end=\"2434\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2435\" data-end=\"2451\"\u003e\n\u003ctd data-start=\"2435\" data-end=\"2445\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2445\" data-end=\"2451\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2452\" data-end=\"2492\"\u003e\n\u003ctd data-start=\"2452\" data-end=\"2480\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2480\" data-end=\"2492\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2493\" data-end=\"2517\"\u003e\n\u003ctd data-start=\"2493\" data-end=\"2506\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2506\" data-end=\"2517\"\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=\"2519\" data-end=\"2522\"\u003e\n\u003ch2 data-start=\"2524\" data-end=\"2550\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2551\" data-end=\"2621\"\u003e\u003cem data-start=\"2551\" data-end=\"2621\"\u003e(All applications are direct-fit; one muffler required per vehicle.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2623\" data-end=\"2649\"\u003e\u003cstrong data-start=\"2627\" data-end=\"2649\"\u003eChevrolet – Impala\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2651\" data-end=\"2683\"\u003e\u003cstrong data-start=\"2651\" data-end=\"2681\"\u003e3.5L V6 (3490cc \/ 213 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2684\" data-end=\"2697\"\u003e\n\u003cli data-start=\"2684\" data-end=\"2697\"\u003e\n\u003cp data-start=\"2686\" data-end=\"2697\"\u003e2006–2011\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2699\" data-end=\"2702\"\u003e\n\u003ch3 data-start=\"2704\" data-end=\"2735\"\u003e\u003cstrong data-start=\"2708\" data-end=\"2735\"\u003eChevrolet – Monte Carlo\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2737\" data-end=\"2769\"\u003e\u003cstrong data-start=\"2737\" data-end=\"2767\"\u003e3.5L V6 (3490cc \/ 213 cid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2770\" data-end=\"2783\"\u003e\n\u003cli data-start=\"2770\" data-end=\"2783\"\u003e\n\u003cp data-start=\"2772\" data-end=\"2783\"\u003e2006–2007\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2785\" data-end=\"2788\"\u003e\n\u003ch2 data-start=\"2790\" data-end=\"2822\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2824\" data-end=\"3137\"\u003e\n\u003cli data-start=\"2824\" data-end=\"2881\"\u003e\n\u003cp data-start=\"2826\" data-end=\"2881\"\u003eDirect-fit bolt-on installation with OE-style hangers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2882\" data-end=\"2958\"\u003e\n\u003cp data-start=\"2884\" data-end=\"2958\"\u003eInspect existing clamps, gaskets, and rubber hangers before installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2959\" data-end=\"3016\"\u003e\n\u003cp data-start=\"2961\" data-end=\"3016\"\u003eEnsure proper fit before fully tightening connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3017\" data-end=\"3075\"\u003e\n\u003cp data-start=\"3019\" data-end=\"3075\"\u003eSoundFX® mufflers deliver OE-level sound and longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3076\" data-end=\"3137\"\u003e\n\u003cp data-start=\"3078\" data-end=\"3137\"\u003eInstall with proper orientation—muffler is non-reversible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45856038420679,"sku":"WAL18948","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-21112935.png?v=1763761052","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-18948","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}