{"product_id":"flowmaster-13-14-mustang-gt-american-thunder-axle-back-exhaust-system","title":"13-14 Ford Mustang GT 5.0L V8 Flowmaster 817588 American Thunder Axle-back Exhaust System","description":"\u003ch2\u003e\u003cstrong\u003eFlowmaster American Thunder Axle-back Exhaust System\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: 817588\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Flowmaster American Thunder Axle-back Exhaust System 817588 is designed for 2013-2014 Ford Mustang GT models equipped with the 5.0L V8 engine and delivers the aggressive exhaust tone performance enthusiasts expect from a legendary Flowmaster system. Featuring Super 44 Series chambered mufflers, 3.00-inch mandrel-bent tubing, and large polished stainless steel tips, this axle-back exhaust upgrade enhances the Mustang’s appearance while producing a deep, powerful sound with a moderate interior tone at varying RPM levels. The bolt-on design uses factory hanger locations for a straightforward installation and provides a performance-focused upgrade without replacing the entire exhaust system. Constructed from durable 409 stainless steel and backed by a Flowmaster Lifetime Limited Warranty, this American Thunder exhaust system is built for long-lasting performance and style.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for 2013-2014 Ford Mustang GT 5.0L V8 coupes and convertibles\u003c\/li\u003e\n\u003cli\u003eFlowmaster American Thunder Series axle-back exhaust system with aggressive exterior sound\u003c\/li\u003e\n\u003cli\u003eIncludes dual Super 44 Series chambered performance mufflers\u003c\/li\u003e\n\u003cli\u003eUses large 3.00-inch mandrel-bent tubing for improved exhaust flow\u003c\/li\u003e\n\u003cli\u003eFeatures large 4.00-inch polished stainless steel exhaust tips for a premium appearance\u003c\/li\u003e\n\u003cli\u003eDyno tuned for performance-oriented sound and exhaust efficiency\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design uses factory hanger locations\u003c\/li\u003e\n\u003cli\u003eIncludes necessary clamps and hardware for installation\u003c\/li\u003e\n\u003cli\u003eManufactured from durable 409 stainless steel construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides a deeper, more aggressive exhaust note that enhances the Mustang GT driving experience\u003c\/li\u003e\n\u003cli\u003eImproves the appearance of the rear of the vehicle with polished stainless steel tips\u003c\/li\u003e\n\u003cli\u003eOffers reliable performance from Flowmaster’s proven Super 44 Series muffler technology\u003c\/li\u003e\n\u003cli\u003eMaintains a comfortable interior tone while delivering an upgraded exterior sound\u003c\/li\u003e\n\u003cli\u003eProvides a simple upgrade path compared to replacing the complete exhaust system\u003c\/li\u003e\n\u003cli\u003eDesigned for a clean factory-style fitment with an aftermarket performance advantage\u003c\/li\u003e\n\u003cli\u003eBacked by Flowmaster’s Lifetime Limited Warranty for long-term confidence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Flowmaster\u003c\/li\u003e\n\u003cli\u003ePart Number: 817588\u003c\/li\u003e\n\u003cli\u003eProduct Type: Axle-back Exhaust System\u003c\/li\u003e\n\u003cli\u003eExhaust Series: American Thunder\u003c\/li\u003e\n\u003cli\u003eVehicle Drive Type: 2WD\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: 5.0L V8\u003c\/li\u003e\n\u003cli\u003eMaterial: 409 Stainless Steel Exhaust Tubing and Muffler Bodies\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Material: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Finish: Polished Stainless Steel\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Color: Silver\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Diameter: 4.00 inches\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Length: 5.25 inches\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Quantity: 2\u003c\/li\u003e\n\u003cli\u003eTail Pipe Outlet Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eMain Piping Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eExit Style: Dual Rear Exit\u003c\/li\u003e\n\u003cli\u003eMuffler Quantity: 2\u003c\/li\u003e\n\u003cli\u003eMuffler Series: Super 44 Series\u003c\/li\u003e\n\u003cli\u003eMuffler Type: Chambered\u003c\/li\u003e\n\u003cli\u003eMuffler Body Shape: Oval\u003c\/li\u003e\n\u003cli\u003eMuffler Body Size: 13.00 inches long x 9.50 inches wide x 4.00 inches high\u003c\/li\u003e\n\u003cli\u003eMuffler Finish: Black High-Temperature Paint Finish\u003c\/li\u003e\n\u003cli\u003eSound Level: Aggressive\u003c\/li\u003e\n\u003cli\u003eClamping Type: Flat Band\u003c\/li\u003e\n\u003cli\u003eClamps Included: Yes\u003c\/li\u003e\n\u003cli\u003eHangers Included: Yes\u003c\/li\u003e\n\u003cli\u003eCatalytic Converter Included: No\u003c\/li\u003e\n\u003cli\u003eEmission Code: 5\u003c\/li\u003e\n\u003cli\u003eCARB Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eUPC: 700042027576\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstall Difficulty level\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Flowmaster American Thunder Axle-back Exhaust System is designed for an easy bolt-on installation and uses factory hanger locations, making it a beginner-friendly exhaust upgrade. Installation can typically be completed in approximately 1 hour with basic hand tools and proper vehicle support equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2013-2014 Ford Mustang GT 5.0L V8 Coupe and Convertible models.\u003c\/p\u003e\n\u003cp\u003eFor questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.\u003c\/p\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":47766405644466,"sku":"FLO817588","price":779.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/fa23a8eb611364d176287acadd3536b2L.jpg?v=1785774895","url":"https:\/\/morepowertuning.com\/products\/flowmaster-13-14-mustang-gt-american-thunder-axle-back-exhaust-system","provider":"More Power Tuning","version":"1.0","type":"link"}