{"product_id":"dynomax-17571-exhaust-muffler-left","title":"Dynomax 17571 Exhaust Muffler - Left","description":"\u003ch2\u003eDynomax Ultra Flo Welded Direct Fit Muffler\u003c\/h2\u003e\u003cp\u003eThe Dynomax Ultra Flo Welded Direct Fit muffler is a stainless steel performance exhaust muffler built for direct OE replacement on select Ford Mustang applications. Part number 17571 uses a straight-through absorption design to reduce restriction while maintaining a deep exhaust tone.\u003c\/p\u003e\u003cp\u003eBuilt for 2005-2009 Ford Mustang, left-side fitment, this muffler is part of the Ultra Flo Welded Direct Fit line and is shaped for a specific installation. The 409 stainless steel body, oval housing, and welded construction support long-term durability in performance exhaust systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect OE replacement fitment for select 2005-2009 Ford Mustang left-side applications\u003c\/li\u003e\n\u003cli\u003ePart number 17571 from Dynomax Ultra Flo Welded Direct Fit\u003c\/li\u003e\n\u003cli\u003e409 stainless steel body with natural finish\u003c\/li\u003e\n\u003cli\u003eStraight-through absorption muffler design\u003c\/li\u003e\n\u003cli\u003eOval body shape with single inlet and single outlet\u003c\/li\u003e\n\u003cli\u003e2.5 in. inlet diameter and 3.5 in. outlet diameter\u003c\/li\u003e\n\u003cli\u003eWelded stainless construction for durability\u003c\/li\u003e\n\u003cli\u003eCRF technology helps reduce interior resonance while keeping a performance tone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eDynomax Ultra Flo Welded Direct Fit mufflers are engineered for performance-focused exhaust replacement where a factory-style fit is required. This model, part number 17571, is listed for 2005-2009 Ford Mustang left-side applications and uses a specific-fit layout with an offset inlet configuration. The Ultra Flo Welded line emphasizes unrestricted exhaust flow, stainless steel construction, and sound control through Continuous Roving Fiberglass (CRF) technology. For shoppers searching for a Ford Mustang muffler replacement, Mustang left muffler fitment, or Dynomax 17571 direct fit exhaust muffler, this unit matches those needs with confirmed vehicle coverage.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestricted exhaust flow from a worn or damaged muffler\u003c\/li\u003e\n\u003cli\u003eExcessive interior resonance from an aging exhaust system\u003c\/li\u003e\n\u003cli\u003eCorrosion concerns on a factory muffler body\u003c\/li\u003e\n\u003cli\u003eLoss of performance-oriented exhaust tone\u003c\/li\u003e\n\u003cli\u003eNeed for a direct-fit replacement on a 2005-2009 Ford Mustang left-side exhaust location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify left-side placement and inlet\/outlet dimensions before installation. This muffler is listed as a specific fit and is not reversible. One fitment note states that 2005-2009 Ford Mustang left-side applications also require part number 36444. Confirm the existing exhaust layout, pipe diameter, and hanger position against the vehicle before final assembly. This part cross-references no additional part numbers beyond the noted application reference.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynomax backs the Ultra Flo Welded muffler line with a Limited Lifetime Warranty and a 90-Day Performance \u0026amp; Sound Guarantee. The welded stainless steel construction and performance-oriented design reflect the Ultra Flo Welded Direct Fit product line for Mustang exhaust replacement applications.\u003c\/p\u003e","brand":"Dynomax","offers":[{"title":"Default Title","offer_id":52068587536565,"sku":"DWRS-17571","price":231.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_17571_Fro.jpg?v=1775141869","url":"https:\/\/www.partcatalog.com\/products\/dynomax-17571-exhaust-muffler-left","provider":"PartCatalog","version":"1.0","type":"link"}