{"product_id":"flowmaster-21-25-ford-bronco-2-3-2-7l-american-thunder-axle-back-exhaust-system","title":"21-26 Ford Bronco 2.3L\/2.7L Flowmaster 818121 American Thunder Axle-Back Exhaust System","description":"\u003ch2\u003e\u003cstrong\u003eFlowmaster American Thunder Axle-Back Exhaust System - Part Number 818121\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Flowmaster American Thunder Axle-Back Exhaust System (Part Number 818121) is engineered for 2021-2026 Ford Bronco models equipped with the 2.3L or 2.7L EcoBoost engine, delivering an ideal balance of everyday comfort and aggressive performance. Designed for drivers seeking a deep performance exhaust note without unwanted interior drone, this axle-back system features Flowmaster's proven 60 Series muffler with Delta Flow Technology to provide a mild tone during cruising and idle while producing an aggressive exhaust sound under acceleration. Constructed from durable mandrel-bent 16-gauge 409 stainless steel tubing, the system is built to maximize exhaust flow, improve durability, and enhance overall performance. Dyno testing recorded gains of up to 19 horsepower and 19 lb-ft of torque at the rear wheels, while the polished 3.00-inch stainless steel exhaust tip adds a clean, custom appearance. Using factory mounting locations and including all necessary installation hardware, this performance exhaust offers an easy upgrade backed by Flowmaster's Lifetime Limited Warranty.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 2021-2026 Ford Bronco models with 2.3L and 2.7L EcoBoost engines.\u003c\/li\u003e\n\u003cli\u003eAmerican Thunder axle-back exhaust system with single rear exit.\u003c\/li\u003e\n\u003cli\u003eTuned 60 Series style muffler delivers an aggressive to moderate exhaust tone.\u003c\/li\u003e\n\u003cli\u003eDelta Flow Technology helps increase performance while reducing interior drone.\u003c\/li\u003e\n\u003cli\u003eNo-drone design provides comfortable daily driving.\u003c\/li\u003e\n\u003cli\u003eMaximum dyno-tested gains of up to 19 horsepower and 19 lb-ft of torque at the rear wheels.\u003c\/li\u003e\n\u003cli\u003eMandrel-bent 3.00-inch 16-gauge 409 stainless steel tubing maximizes exhaust flow and durability.\u003c\/li\u003e\n\u003cli\u003e3.00-inch polished 304 stainless steel exhaust tip adds a custom appearance.\u003c\/li\u003e\n\u003cli\u003eComplete hardware and factory-style hangers included.\u003c\/li\u003e\n\u003cli\u003eInstalls using factory mounting locations.\u003c\/li\u003e\n\u003cli\u003eBacked by Flowmaster's Lifetime 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\u003eEnhances exhaust sound with an aggressive tone under throttle while maintaining a refined sound during cruising.\u003c\/li\u003e\n\u003cli\u003eImproves exhaust flow for increased engine performance.\u003c\/li\u003e\n\u003cli\u003eProvides a comfortable driving experience with reduced exhaust drone.\u003c\/li\u003e\n\u003cli\u003ePremium stainless steel construction offers long-lasting durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003ePolished exhaust tip enhances the Bronco's rear appearance with a performance-inspired finish.\u003c\/li\u003e\n\u003cli\u003eDirect-fit design simplifies installation without extensive modifications.\u003c\/li\u003e\n\u003cli\u003eSupported by Flowmaster's Lifetime Limited Warranty for long-term 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\u003ePart Number: 818121\u003c\/li\u003e\n\u003cli\u003eBrand: Flowmaster\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\u003eExit Style: Single Out Rear (2-Door and 4-Door)\u003c\/li\u003e\n\u003cli\u003eMain Piping Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003ePipe Material: 16-Gauge 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003ePipe Color: Silver\u003c\/li\u003e\n\u003cli\u003eMuffler Series: 60 Series\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 Color: Black\u003c\/li\u003e\n\u003cli\u003eMuffler Shape: Oval\u003c\/li\u003e\n\u003cli\u003eMuffler Dimensions: 13.50 in. Length x 10.00 in. Width x 5.00 in. Height\u003c\/li\u003e\n\u003cli\u003eMuffler Overall Length: 34.00 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Inlet: 3.00-inch Slip-Fit, Center Inlet\u003c\/li\u003e\n\u003cli\u003eMuffler Outlet: 3.00-inch Offset Outlet\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Diameter: 3.00 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 Shape: Round\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Style: Angled Slash Cut, Single Wall\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Length: 4.75 inches\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Color: Silver\u003c\/li\u003e\n\u003cli\u003eTip Logo: Embossed\u003c\/li\u003e\n\u003cli\u003eTail Pipe Quantity: 1\u003c\/li\u003e\n\u003cli\u003eClamps Included: Yes\u003c\/li\u003e\n\u003cli\u003eClamping Type: Flat Band\u003c\/li\u003e\n\u003cli\u003eHangers Included: Yes\u003c\/li\u003e\n\u003cli\u003eMounting Bracket Included: Yes\u003c\/li\u003e\n\u003cli\u003eMount Type: Uses New Hangers (Included)\u003c\/li\u003e\n\u003cli\u003eCatalytic Converter Included: No\u003c\/li\u003e\n\u003cli\u003eSound Level: Aggressive \/ Moderate\u003c\/li\u003e\n\u003cli\u003eFinish: Painted\u003c\/li\u003e\n\u003cli\u003eCalifornia Proposition 65: Yes\u003c\/li\u003e\n\u003cli\u003eCARB (California) 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\u003eEasy.\u003c\/strong\u003e This direct-fit axle-back exhaust system is designed to utilize the factory mounting locations and includes all required hardware and factory-style hangers for a straightforward installation. With basic hand tools, installation can be completed in as little as \u003cstrong\u003e30 minutes\u003c\/strong\u003e, making it an excellent upgrade for both experienced enthusiasts and first-time installers.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2021-2026 Ford Bronco 2.3L EcoBoost\u003c\/li\u003e\n\u003cli\u003e2021-2026 Ford Bronco 2.7L EcoBoost\u003c\/li\u003e\n\u003cli\u003eFits 2-wheel drive and 4-wheel drive models.\u003c\/li\u003e\n\u003cli\u003eFits both 2-door and 4-door models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf there are any 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":47766407545010,"sku":"FLO818121","price":549.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/7c8efe2761478a72c7f11fb1184ad31fL.jpg?v=1785248086","url":"https:\/\/morepowertuning.com\/products\/flowmaster-21-25-ford-bronco-2-3-2-7l-american-thunder-axle-back-exhaust-system","provider":"More Power Tuning","version":"1.0","type":"link"}