{"product_id":"flowmaster-15-20-ford-f-150-v6-v8-flowfx-extreme-cat-back-exhaust-system","title":"15-20 Ford F-150 2.7L\/3.5L V6 \u0026 5.0L V8 Flowmaster 717978 Flow FX Extreme Cat-Back Exhaust System","description":"\u003ch2\u003e\u003cstrong\u003eFlowmaster Flow FX Extreme Cat-Back Exhaust System - Part #717978\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Flowmaster Flow FX Extreme Cat-Back Exhaust System (Part #717978) is engineered to deliver aggressive performance, a deep performance exhaust tone, and improved off-road capability for 2015-2020 Ford F-150 trucks. Built from durable 409 stainless steel with 3.00-inch mandrel-bent tubing, this premium exhaust system maximizes exhaust flow to help unlock dyno-proven gains of up to 18 horsepower and 9 lb-ft of torque at the rear wheels while maintaining long-term durability. The unique single dump exit eliminates the factory over-axle tailpipe, increasing ground clearance and departure angle for drivers who frequently tackle trails, rough terrain, or demanding job sites. Designed to install using the factory mounting locations and supplied hardware, this performance cat-back system delivers an aggressive yet refined exhaust note with minimal installation effort, making it an excellent upgrade for enthusiasts seeking improved sound, performance, and durability.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlowmaster Part Number: 717978\u003c\/li\u003e\n\u003cli\u003eFlow FX performance muffler delivers a deep, aggressive exhaust tone.\u003c\/li\u003e\n\u003cli\u003eDyno-proven gains of up to 18 horsepower and 9 lb-ft of torque at the rear wheels.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable 409 stainless steel for long-lasting corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e3.00-inch 16-gauge mandrel-bent tubing maximizes exhaust flow.\u003c\/li\u003e\n\u003cli\u003eSingle dump exit design improves ground clearance by eliminating the over-axle tailpipe.\u003c\/li\u003e\n\u003cli\u003eUtilizes factory hanger locations for a direct-fit installation.\u003c\/li\u003e\n\u003cli\u003eIncludes all required clamps and installation hardware.\u003c\/li\u003e\n\u003cli\u003eAbsorption-style Flow FX muffler provides improved exhaust flow and performance.\u003c\/li\u003e\n\u003cli\u003eIdeal for street-driven trucks and off-road applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduces a powerful, performance-inspired exhaust sound without sacrificing everyday drivability.\u003c\/li\u003e\n\u003cli\u003eImproves exhaust efficiency for enhanced throttle response and overall engine performance.\u003c\/li\u003e\n\u003cli\u003eIncreased ground clearance helps reduce the chance of tailpipe damage during off-road driving.\u003c\/li\u003e\n\u003cli\u003ePremium stainless steel construction helps resist rust and corrosion for years of dependable service.\u003c\/li\u003e\n\u003cli\u003eDirect-fit design minimizes installation time while eliminating the need for extensive modifications.\u003c\/li\u003e\n\u003cli\u003eExcellent upgrade for performance enthusiasts looking to enhance both appearance and sound.\u003c\/li\u003e\n\u003cli\u003eBacked by Flowmaster's Lifetime Limited Warranty for long-term confidence and peace of mind.\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: 717978\u003c\/li\u003e\n\u003cli\u003eProduct Type: Cat-Back Exhaust System\u003c\/li\u003e\n\u003cli\u003eExhaust Series: Flow FX Extreme\u003c\/li\u003e\n\u003cli\u003eMaterial: 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eColor: Silver\u003c\/li\u003e\n\u003cli\u003eMain Tubing Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eTubing Thickness: 16-gauge mandrel-bent stainless steel\u003c\/li\u003e\n\u003cli\u003eExit Style: Single Out Dump\u003c\/li\u003e\n\u003cli\u003eSound Level: Aggressive \/ Moderate\u003c\/li\u003e\n\u003cli\u003eMuffler Series: Flow FX\u003c\/li\u003e\n\u003cli\u003eMuffler Type: Absorption\u003c\/li\u003e\n\u003cli\u003eMuffler Material: 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eMuffler Body Shape: Round\u003c\/li\u003e\n\u003cli\u003eMuffler Body Diameter: 6.00 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Body Length: 14.00 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Overall Length: 44.30 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Inlet Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Outlet Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eInlet Connection: Slip-Fit\u003c\/li\u003e\n\u003cli\u003eInlet Type: Flanged\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Material: 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Shape: Round\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Edge: Slash Cut\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Finish: Natural\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Wall: Single Wall\u003c\/li\u003e\n\u003cli\u003eMount Type: Factory hanger locations\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\u003eCalifornia Proposition 65: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eInstall Difficulty Level\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis system is designed as a direct-fit upgrade using the factory hanger locations and included hardware, making installation straightforward for most DIY enthusiasts with basic hand tools. No welding is normally required, and no extensive modifications are needed. Under ideal shop conditions, installation can be completed in as little as \u003cstrong\u003e2 hours\u003c\/strong\u003e, making this an easy weekend performance upgrade.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits the following vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2015-2020 Ford F-150 2.7L EcoBoost V6\u003c\/li\u003e\n\u003cli\u003e2015-2020 Ford F-150 3.3L V6\u003c\/li\u003e\n\u003cli\u003e2015-2020 Ford F-150 3.5L EcoBoost V6\u003c\/li\u003e\n\u003cli\u003e2015-2020 Ford F-150 5.0L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDoes NOT fit Standard Cab with Short Bed models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor questions about this product, assistance with vehicle compatibility, or to report any product description inaccuracies, please contact the MPT Performance experts at (407) 636-7077 or by email.\u003c\/p\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":47766403383474,"sku":"FLO717978","price":519.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/465.png?v=1785506886","url":"https:\/\/morepowertuning.com\/products\/flowmaster-15-20-ford-f-150-v6-v8-flowfx-extreme-cat-back-exhaust-system","provider":"More Power Tuning","version":"1.0","type":"link"}