{"product_id":"magnaflow-5-x-8-race-muffler-3-5-in-out","title":"MagnaFlow Exhaust Muffler - 5\" x 8\" Oval , 3.5\" In\/Out, Stainless Steel","description":"\u003cp\u003eThe MagnaFlow 5\" x 8\" Race Muffler with 3.5\" inlet and outlet is built for high performance applications where power and sound control both matter. Dyno tested and proven to support horsepower and torque gains, this muffler is engineered to reduce exhaust noise levels without choking flow, which makes it ideal for race cars, off-road builds, and performance street vehicles.\u003c\/p\u003e\n\u003cp\u003eConstructed entirely from stainless steel, including the body, end caps, and perforated core, this muffler is designed for long term durability in extreme environments. Its reversible design allows for flexible installation in custom exhaust setups, while MagnaFlow’s fully welded construction ensures strength and reliability. Backed by a lifetime warranty, this race muffler delivers performance you can count on.\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 (3.5\" Inlet \/ 3.5\" 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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\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: 3.5\"\u003c\/li\u003e\n\u003cli\u003eOutlet size: 3.5\"\u003c\/li\u003e\n\u003cli\u003eBody Length: 6\"\u003c\/li\u003e\n\u003cli\u003eBody Width: 8\"\u003c\/li\u003e\n\u003cli\u003eBody Height: 5\"\u003c\/li\u003e\n\u003cli\u003eOverall Length: 12\"\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 construction 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\u003eHanger Included: No\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\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\u003eIdeal for race cars, off-road vehicles, and performance builds\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.5\" exhaust tubing\u003c\/li\u003e\n\u003cli\u003eWorks with LS, LT, and other high-output engine setups\u003c\/li\u003e\n\u003cli\u003eProfessional fabrication and welding required 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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eA straight-through muffler design like this allows exhaust gases to flow with minimal restriction, which is key for maintaining horsepower in high performance applications. Unlike chambered mufflers that can disrupt flow, the perforated core design helps reduce sound levels while still supporting efficient exhaust velocity.\u003c\/p\u003e\n\u003cp\u003eThe use of stainless steel throughout the entire construction ensures resistance to corrosion and heat fatigue, especially important in off-road and racing environments where exhaust systems see extreme conditions. Combined with a reversible layout, this muffler gives builders flexibility without sacrificing performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Magnaflow","offers":[{"title":"Default Title","offer_id":56387964731558,"sku":"14150","price":260.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/14150Magnaflow-5x8-Race-Muffler-3.5-1.jpg?v=1778094039","url":"https:\/\/wideopendesign.com\/products\/magnaflow-5-x-8-race-muffler-3-5-in-out","provider":"Wide Open Design","version":"1.0","type":"link"}