{"product_id":"walker-exhaust-muffler-21744","title":"WALKER - Exhaust Muffler - 21744","description":"\u003ch2 data-start=\"298\" data-end=\"320\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"322\" data-end=\"634\"\u003eThe WALKER 21744 Quiet-Flow® SS Exhaust Muffler delivers OE-style sound, premium durability, and direct-fit installation for Subaru Outback models. Built with a \u003cstrong data-start=\"483\" data-end=\"520\"\u003e100% stainless-steel muffler body\u003c\/strong\u003e, this unit provides exceptional corrosion resistance and longer service life compared to aluminized alternatives.\u003c\/p\u003e\n\u003cp data-start=\"636\" data-end=\"907\"\u003eDesigned with OE-style brackets, hangers, and pipe routing, the Quiet-Flow® SS ensures a seamless bolt-on installation without the need for welding. Engineered with louvered tubes and domed heads, it offers refined acoustic control while maintaining optimal exhaust flow.\u003c\/p\u003e\n\u003cp data-start=\"909\" data-end=\"1152\"\u003eEach muffler undergoes rigorous acoustic and flow testing to ensure dependable, factory-correct performance. Protected by Walker’s limited lifetime warranty and 90-Day Safe and Sound® Guarantee, this muffler is a top-tier replacement solution.\u003c\/p\u003e\n\u003chr data-start=\"1154\" data-end=\"1157\"\u003e\n\u003ch2 data-start=\"1159\" data-end=\"1174\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1176\" data-end=\"1657\"\u003e\n\u003cli data-start=\"1176\" data-end=\"1260\"\u003e\n\u003cp data-start=\"1178\" data-end=\"1260\"\u003e\u003cstrong data-start=\"1178\" data-end=\"1215\"\u003e100% Stainless-Steel Muffler Body\u003c\/strong\u003e for superior rust and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1261\" data-end=\"1329\"\u003e\n\u003cp data-start=\"1263\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1292\"\u003eDirect-Fit Bolt-On Design\u003c\/strong\u003e with OE-style hangers and brackets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1402\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1402\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1357\"\u003ePremium Noise Control\u003c\/strong\u003e through louvered tubing and domed end caps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1403\" data-end=\"1484\"\u003e\n\u003cp data-start=\"1405\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1405\" data-end=\"1429\"\u003eDurable Construction\u003c\/strong\u003e with mechanically joined tubes and spun-locked heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1485\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1487\" data-end=\"1549\"\u003e\u003cstrong data-start=\"1487\" data-end=\"1524\"\u003eInternal Moisture Drainage System\u003c\/strong\u003e reduces corrosion risk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1550\" data-end=\"1604\"\u003e\n\u003cp data-start=\"1552\" data-end=\"1604\"\u003e\u003cstrong data-start=\"1552\" data-end=\"1581\"\u003eAcoustic \u0026amp; Flow Validated\u003c\/strong\u003e for OE-quality sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1605\" data-end=\"1657\"\u003e\n\u003cp data-start=\"1607\" data-end=\"1657\"\u003e\u003cstrong data-start=\"1607\" data-end=\"1655\"\u003eBacked by Walker’s Limited Lifetime Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1659\" data-end=\"1662\"\u003e\n\u003ch2 data-start=\"1664\" data-end=\"1691\"\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=\"1693\" data-end=\"2310\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1693\" data-end=\"1719\"\u003e\n\u003ctr data-start=\"1693\" data-end=\"1719\"\u003e\n\u003cth data-start=\"1693\" data-end=\"1709\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1709\" data-end=\"1719\" data-col-size=\"sm\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1746\" data-end=\"2310\"\u003e\n\u003ctr data-start=\"1746\" data-end=\"1762\"\u003e\n\u003ctd data-start=\"1746\" data-end=\"1754\" data-col-size=\"sm\"\u003eShape\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1754\" data-end=\"1762\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1763\" data-end=\"1783\"\u003e\n\u003ctd data-start=\"1763\" data-end=\"1772\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1772\" data-end=\"1783\"\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1784\" data-end=\"1819\"\u003e\n\u003ctd data-start=\"1784\" data-end=\"1800\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1800\" data-end=\"1819\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1820\" data-end=\"1857\"\u003e\n\u003ctd data-start=\"1820\" data-end=\"1833\" data-col-size=\"sm\"\u003eInlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1833\" data-end=\"1857\"\u003e2 Bolt Welded Flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1858\" data-end=\"1879\"\u003e\n\u003ctd data-start=\"1858\" data-end=\"1872\" data-col-size=\"sm\"\u003eOutlet Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1872\" data-end=\"1879\"\u003eTip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1880\" data-end=\"1924\"\u003e\n\u003ctd data-start=\"1880\" data-end=\"1904\" data-col-size=\"sm\"\u003eInlet Inside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1904\" data-end=\"1924\"\u003e— (Flange Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1925\" data-end=\"1963\"\u003e\n\u003ctd data-start=\"1925\" data-end=\"1951\" data-col-size=\"sm\"\u003eOutlet Outside Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1951\" data-end=\"1963\"\u003e1.750 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1964\" data-end=\"1990\"\u003e\n\u003ctd data-start=\"1964\" data-end=\"1978\" data-col-size=\"sm\"\u003eBody Height\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1978\" data-end=\"1990\"\u003e7.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1991\" data-end=\"2018\"\u003e\n\u003ctd data-start=\"1991\" data-end=\"2005\" data-col-size=\"sm\"\u003eBody Length\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2005\" data-end=\"2018\"\u003e13.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2019\" data-end=\"2044\"\u003e\n\u003ctd data-start=\"2019\" data-end=\"2032\" data-col-size=\"sm\"\u003eBody Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2032\" data-end=\"2044\"\u003e9.000 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2045\" data-end=\"2072\"\u003e\n\u003ctd data-start=\"2045\" data-end=\"2062\" data-col-size=\"sm\"\u003eInlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2062\" data-end=\"2072\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2073\" data-end=\"2101\"\u003e\n\u003ctd data-start=\"2073\" data-end=\"2091\" data-col-size=\"sm\"\u003eOutlet Location\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2091\" data-end=\"2101\"\u003eOffset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2102\" data-end=\"2124\"\u003e\n\u003ctd data-start=\"2102\" data-end=\"2119\" data-col-size=\"sm\"\u003eInlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2119\" data-end=\"2124\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2125\" data-end=\"2148\"\u003e\n\u003ctd data-start=\"2125\" data-end=\"2143\" data-col-size=\"sm\"\u003eOutlet Quantity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2143\" data-end=\"2148\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2149\" data-end=\"2176\"\u003e\n\u003ctd data-start=\"2149\" data-end=\"2164\" data-col-size=\"sm\"\u003eInlet Offset\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2164\" data-end=\"2176\"\u003e1.625 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\"\u003e23.375 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2208\" data-end=\"2227\"\u003e\n\u003ctd data-start=\"2208\" data-end=\"2221\" data-col-size=\"sm\"\u003eReversible\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2221\" data-end=\"2227\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2228\" data-end=\"2244\"\u003e\n\u003ctd data-start=\"2228\" data-end=\"2238\" data-col-size=\"sm\"\u003eTunable\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2238\" data-end=\"2244\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2245\" data-end=\"2285\"\u003e\n\u003ctd data-start=\"2245\" data-end=\"2273\" data-col-size=\"sm\"\u003eUniversal or Specific Fit\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2273\" data-end=\"2285\"\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2286\" data-end=\"2310\"\u003e\n\u003ctd data-start=\"2286\" data-end=\"2299\" data-col-size=\"sm\"\u003eGrade Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2299\" data-end=\"2310\"\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=\"2312\" data-end=\"2315\"\u003e\n\u003ch2 data-start=\"2317\" data-end=\"2341\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ch3 data-start=\"2343\" data-end=\"2357\"\u003e\u003cstrong data-start=\"2347\" data-end=\"2357\"\u003eSubaru\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"2359\" data-end=\"2375\"\u003e\u003cstrong data-start=\"2364\" data-end=\"2375\"\u003eOutback\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-start=\"2376\" data-end=\"2557\"\u003e\n\u003cli data-start=\"2376\" data-end=\"2427\"\u003e\n\u003cp data-start=\"2378\" data-end=\"2393\"\u003e\u003cstrong data-start=\"2378\" data-end=\"2391\"\u003e2010–2012\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2396\" data-end=\"2427\"\u003e\n\u003cli data-start=\"2396\" data-end=\"2414\"\u003e\n\u003cp data-start=\"2398\" data-end=\"2414\"\u003e2.5L H4 2458cc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2417\" data-end=\"2427\"\u003e\n\u003cp data-start=\"2419\" data-end=\"2427\"\u003eQty: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2428\" data-end=\"2495\"\u003e\n\u003cp data-start=\"2430\" data-end=\"2461\"\u003e\u003cstrong data-start=\"2430\" data-end=\"2459\"\u003e2010–2015 (Left Position)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2464\" data-end=\"2495\"\u003e\n\u003cli data-start=\"2464\" data-end=\"2482\"\u003e\n\u003cp data-start=\"2466\" data-end=\"2482\"\u003e3.6L H6 3630cc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2485\" data-end=\"2495\"\u003e\n\u003cp data-start=\"2487\" data-end=\"2495\"\u003eQty: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2496\" data-end=\"2557\"\u003e\n\u003cp data-start=\"2498\" data-end=\"2513\"\u003e\u003cstrong data-start=\"2498\" data-end=\"2511\"\u003e2013–2019\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2516\" data-end=\"2557\"\u003e\n\u003cli data-start=\"2516\" data-end=\"2544\"\u003e\n\u003cp data-start=\"2518\" data-end=\"2544\"\u003e2.5L H4 2498cc \/ 152 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2547\" data-end=\"2557\"\u003e\n\u003cp data-start=\"2549\" data-end=\"2557\"\u003eQty: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2559\" data-end=\"2562\"\u003e\n\u003ch2 data-start=\"2564\" data-end=\"2596\"\u003eInstallation \u0026amp; Warranty Notes\u003c\/h2\u003e\n\u003cul data-start=\"2598\" data-end=\"2863\"\u003e\n\u003cli data-start=\"2598\" data-end=\"2654\"\u003e\n\u003cp data-start=\"2600\" data-end=\"2654\"\u003eDirect-fit design—no welding or fabrication required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2655\" data-end=\"2714\"\u003e\n\u003cp data-start=\"2657\" data-end=\"2714\"\u003eStainless-steel construction ensures maximum durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2715\" data-end=\"2768\"\u003e\n\u003cp data-start=\"2717\" data-end=\"2768\"\u003eEngineered for OE-style acoustics and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2769\" data-end=\"2863\"\u003e\n\u003cp data-start=\"2771\" data-end=\"2863\"\u003eCovered by Walker’s \u003cstrong data-start=\"2791\" data-end=\"2820\"\u003elimited lifetime warranty\u003c\/strong\u003e and \u003cstrong data-start=\"2825\" data-end=\"2861\"\u003e90-Day Safe and Sound® Guarantee\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALKER","offers":[{"title":"Default Title","offer_id":45875181420743,"sku":"WAL21744","price":145.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2025-11-24110915.png?v=1764011295","url":"https:\/\/mainstreeteshop.com\/products\/walker-exhaust-muffler-21744","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}