{"product_id":"magnaflow-5-x-8-race-muffler-3-in-out","title":"MagnaFlow Exhaust Muffler - 5\" x 8\" Oval, 3\" In\/Out, Stainless Steel","description":"\u003cp\u003eThe MagnaFlow 5\" x 8\" Race Muffler with 3\" inlet and outlet is designed for high performance builds that demand both power and sound control. Dyno tested and proven to support horsepower and torque gains, this bi-directional muffler delivers improved exhaust flow while reducing overall sound levels—making it a strong choice for race vehicles, off-road rigs, and aggressive street setups.\u003c\/p\u003e\n\u003cp\u003eBuilt entirely from stainless steel, including the body, end caps, and perforated core, this muffler is engineered for durability in harsh environments. The straight through design maximizes flow efficiency, while the reversible construction allows for flexible installation in custom exhaust systems. Fully welded and backed by a lifetime warranty, this muffler is built to perform and built to last.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded Items\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) MagnaFlow 5\" x 8\" Race Muffler (3\" Inlet \/ 3\" Outlet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eMuffler body size: 5\" x 8\"\u003c\/li\u003e\n\u003cli\u003eInlet size: 3\"\u003c\/li\u003e\n\u003cli\u003eOutlet size: 3\"\u003c\/li\u003e\n\u003cli\u003eBody Height: 5\"\u003c\/li\u003e\n\u003cli\u003eBody Length: 6\"\u003c\/li\u003e\n\u003cli\u003eBody Width: 8\"\u003c\/li\u003e\n\u003cli\u003eOverall Length: 12\"\u003c\/li\u003e\n\u003cli\u003eHanger Included: No\u003c\/li\u003e\n\u003cli\u003eStraight-through perforated core design\u003c\/li\u003e\n\u003cli\u003eStainless steel body, end caps, and internal core\u003c\/li\u003e\n\u003cli\u003eFully welded with stainless weld bead\u003c\/li\u003e\n\u003cli\u003eReversible for custom installation\u003c\/li\u003e\n\u003cli\u003eDesigned for high-performance and racing applications\u003c\/li\u003e\n\u003cli\u003eLifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for custom exhaust systems\u003c\/li\u003e\n\u003cli\u003eCompatible with 3\" exhaust tubing\u003c\/li\u003e\n\u003cli\u003eIdeal for LS, LT, and other performance engine setups\u003c\/li\u003e\n\u003cli\u003eSuitable for off-road, race, and high-performance street vehicles\u003c\/li\u003e\n\u003cli\u003eRequires fabrication and welding for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eTech Insight\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eStraight through mufflers are the go-to choice when maintaining exhaust flow is critical. By eliminating internal chambers, this design allows exhaust gases to move freely, supporting horsepower while still taking the edge off sound levels.\u003c\/p\u003e\n\u003cp\u003eThe stainless steel construction ensures long term resistance to heat and corrosion, especially in off-road or race conditions. Combined with a compact 5\" x 8\" body, this muffler gives you the performance you need without taking up unnecessary space in tight chassis layouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Magnaflow","offers":[{"title":"Default Title","offer_id":56387964600486,"sku":"14149","price":204.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/14149-Magnaflow-5x8-Race-Muffler-3-2.jpg?v=1778094194","url":"https:\/\/wideopendesign.com\/products\/magnaflow-5-x-8-race-muffler-3-in-out","provider":"Wide Open Design","version":"1.0","type":"link"}