{"product_id":"flowmaster-24-25-mustang-2-3l-5-0l-outlaw-axle-back-w-vlves-exhaust-system","title":"24-26 Ford Mustang GT 5.0L V8 \/ 2.3L V6 Flowmaster 818164 Outlaw Axle-Back Exhaust System","description":"\u003ch2\u003e\u003cstrong\u003eFlowmaster Outlaw Axle-Back Exhaust System for 2024-2026 Ford Mustang GT 5.0L V8 \/ EcoBoost 2.3L - Part #818164\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Flowmaster Outlaw Axle-Back Exhaust System (Part #818164) is engineered for enthusiasts looking to enhance the performance, sound, and appearance of the 2024-2026 Ford Mustang equipped with the factory Active Performance Exhaust system. Designed for both the 5.0L GT V8 and EcoBoost 2.3L models, this premium axle-back system delivers the unmistakable aggressive Outlaw exhaust tone while improving exhaust flow for increased performance. Dyno testing measured maximum gains of up to 17 horsepower and 17 lb-ft of torque at the rear wheels over the factory exhaust. Constructed from durable 3.00-inch mandrel-bent 16-gauge 409 stainless steel tubing and finished with quad 4.00-inch polished 304 stainless steel tips, this system combines long-lasting durability with an aggressive, custom appearance. The factory-style valves are retained by reusing the OEM valve actuators, while factory hanger locations and included installation hardware simplify installation. Designed to fit both coupe and convertible models, this performance exhaust is backed by Flowmaster's Lifetime Limited Warranty for lasting confidence.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlowmaster Outlaw Axle-Back Exhaust System.\u003c\/li\u003e\n\u003cli\u003ePart Number: 818164.\u003c\/li\u003e\n\u003cli\u003eDesigned for vehicles equipped with the factory Active Performance Exhaust option.\u003c\/li\u003e\n\u003cli\u003eMaximum dyno gains of up to 17 horsepower and 17 lb-ft of torque at the rear wheels.\u003c\/li\u003e\n\u003cli\u003eOutlaw Series reflection-style performance mufflers produce an aggressive exhaust tone.\u003c\/li\u003e\n\u003cli\u003e3.00-inch mandrel-bent 16-gauge 409 stainless steel tubing improves exhaust flow.\u003c\/li\u003e\n\u003cli\u003eDual rear exit with quad 4.00-inch polished 304 stainless steel exhaust tips.\u003c\/li\u003e\n\u003cli\u003eOEM-style exhaust valves included; reuses factory valve actuators.\u003c\/li\u003e\n\u003cli\u003eUses factory hanger locations for a direct-fit installation.\u003c\/li\u003e\n\u003cli\u003eIncludes required clamps and installation hardware.\u003c\/li\u003e\n\u003cli\u003eFits both coupe and convertible body styles.\u003c\/li\u003e\n\u003cli\u003eLifetime Limited Warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers a deep, aggressive exhaust note synonymous with the Flowmaster Outlaw Series.\u003c\/li\u003e\n\u003cli\u003eImproves exhaust flow to help maximize horsepower and torque.\u003c\/li\u003e\n\u003cli\u003eProvides a premium performance appearance with polished quad stainless steel tips.\u003c\/li\u003e\n\u003cli\u003e409 stainless steel construction offers excellent durability and long-term corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eMaintains factory active exhaust functionality by utilizing OEM-style valves.\u003c\/li\u003e\n\u003cli\u003eDirect-fit design minimizes installation complexity by using factory mounting locations.\u003c\/li\u003e\n\u003cli\u003eBacked by Flowmaster's Lifetime Limited Warranty for long-term ownership confidence.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Flowmaster\u003c\/li\u003e\n\u003cli\u003ePart Number: 818164\u003c\/li\u003e\n\u003cli\u003eProduct Type: Axle-Back Exhaust System\u003c\/li\u003e\n\u003cli\u003eExhaust Series: Outlaw\u003c\/li\u003e\n\u003cli\u003eSound Level: Aggressive\u003c\/li\u003e\n\u003cli\u003eMain Pipe Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003ePipe Material: 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003ePipe Color: Silver\u003c\/li\u003e\n\u003cli\u003ePipe Construction: 16-gauge mandrel bent\u003c\/li\u003e\n\u003cli\u003eMuffler Series: Outlaw\u003c\/li\u003e\n\u003cli\u003eMuffler Type: Reflection\u003c\/li\u003e\n\u003cli\u003eMuffler Material: 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eMuffler Finish: Black high-temperature paint\u003c\/li\u003e\n\u003cli\u003eMuffler Shape: Round\u003c\/li\u003e\n\u003cli\u003eMuffler Dimensions: 6.50 in. length x 4.00 in. width x 4.00 in. height\u003c\/li\u003e\n\u003cli\u003eMuffler Quantity: 2\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 Material: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Finish: Polished\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Color: Silver\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Shape: Round\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Style: Double-wall, angle-cut, welded\u003c\/li\u003e\n\u003cli\u003eTip Logo: Embossed\u003c\/li\u003e\n\u003cli\u003eExit Style: Dual Rear Exit\u003c\/li\u003e\n\u003cli\u003eTail Pipe Quantity: 2\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\u003eMount Type: Uses Factory Hangers\u003c\/li\u003e\n\u003cli\u003eValve Included: Yes\u003c\/li\u003e\n\u003cli\u003eValve Type: OEM-Style Valves\u003c\/li\u003e\n\u003cli\u003eValve Actuator: Reuse OEM Actuators\u003c\/li\u003e\n\u003cli\u003eCatalytic Converters Included: No\u003c\/li\u003e\n\u003cli\u003eCalifornia Proposition 65: Yes\u003c\/li\u003e\n\u003cli\u003eCARB Compliant: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eInstall Difficulty Level\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Easy to Moderate.\u003c\/p\u003e\n\u003cp\u003eThis direct-fit axle-back exhaust is designed to utilize the factory hanger locations and includes the necessary installation hardware for a straightforward installation. The OEM active exhaust valve actuators are transferred to the new exhaust assemblies to retain factory functionality. The shortest published installation time is approximately \u003cstrong\u003e1 hour\u003c\/strong\u003e for an experienced installer.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2024 Ford Mustang GT 5.0L V8 with Factory Active Performance Exhaust - Coupe and Convertible\u003c\/li\u003e\n\u003cli\u003e2024 Ford Mustang EcoBoost 2.3L with Factory Active Performance Exhaust - Coupe and Convertible\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang GT 5.0L V8 with Factory Active Performance Exhaust - Coupe and Convertible\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang EcoBoost 2.3L with Factory Active Performance Exhaust - Coupe and Convertible\u003c\/li\u003e\n\u003cli\u003e2026 Ford Mustang GT 5.0L V8 with Factory Active Performance Exhaust - Coupe and Convertible\u003c\/li\u003e\n\u003cli\u003e2026 Ford Mustang EcoBoost 2.3L with Factory Active Performance Exhaust - Coupe and Convertible\u003c\/li\u003e\n\u003c\/ul\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":47766408429746,"sku":"FLO818164","price":1749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/c66e79f2639365cccfbbe55ea2709eaeL.jpg?v=1785248096","url":"https:\/\/morepowertuning.com\/products\/flowmaster-24-25-mustang-2-3l-5-0l-outlaw-axle-back-w-vlves-exhaust-system","provider":"More Power Tuning","version":"1.0","type":"link"}