{"product_id":"flowmaster-04-08-ford-f150-force-ii-cat-back-ss-exhaust-system","title":"04-08 Ford F-150 4.6L\/5.4L Flowmaster 817403 Force II Cat-back Exhaust System","description":"\u003ch2\u003e\u003cstrong\u003eFlowmaster Force II Cat-back Exhaust System - Part Number 817403\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Flowmaster Force II Cat-back Exhaust System 817403 is designed for 2004-2008 Ford F-150 and Lincoln Mark LT trucks equipped with 4.6L or 5.4L engines. This performance exhaust upgrade delivers a refined mild exhaust tone, improved appearance, and enhanced exhaust flow without creating excessive cabin noise. Featuring 3-inch mandrel-bent stainless steel tubing and a Super 50 Series chambered muffler, this system provides a premium balance of sound quality, durability, and everyday drivability. The single side exit design, polished stainless steel tip, and factory hanger compatibility make this system an excellent choice for daily drivers, truck enthusiasts, and light towing applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for 2004-2008 Ford F-150 and Lincoln Mark LT trucks with 4.6L and 5.4L engines.\u003c\/li\u003e\n\u003cli\u003eForce II Series performance exhaust system delivers a mild exterior exhaust tone with minimal interior drone.\u003c\/li\u003e\n\u003cli\u003eIncludes a Super 50 Series chambered performance muffler for a controlled, aggressive exhaust note.\u003c\/li\u003e\n\u003cli\u003eFeatures 3-inch mandrel-bent stainless steel tubing for smooth exhaust flow and long-term durability.\u003c\/li\u003e\n\u003cli\u003eIncludes a large 3.50-inch polished 304 stainless steel exhaust tip for an upgraded custom appearance.\u003c\/li\u003e\n\u003cli\u003eUses factory hanger locations for a straightforward bolt-on installation.\u003c\/li\u003e\n\u003cli\u003eIncludes required hangers, clamps, and hardware for installation convenience.\u003c\/li\u003e\n\u003cli\u003eConnects after the factory catalytic converter without requiring catalytic converter replacement.\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 premium Flowmaster exhaust sound while maintaining comfortable everyday driving characteristics.\u003c\/li\u003e\n\u003cli\u003eImproves exhaust flow compared to restrictive factory exhaust components.\u003c\/li\u003e\n\u003cli\u003eIdeal for truck owners seeking a performance upgrade without an overly loud exhaust system.\u003c\/li\u003e\n\u003cli\u003eExcellent choice for daily driving, hauling, and light towing applications such as boats and RVs.\u003c\/li\u003e\n\u003cli\u003eStainless steel construction provides excellent corrosion resistance and long-lasting performance.\u003c\/li\u003e\n\u003cli\u003eBacked by Flowmaster's Lifetime Limited Warranty for stainless steel exhaust systems.\u003c\/li\u003e\n\u003cli\u003eDesigned for an easy fit with included hardware to simplify installation.\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: 817403\u003c\/li\u003e\n\u003cli\u003eProduct Type: Cat-back Performance Exhaust System\u003c\/li\u003e\n\u003cli\u003eExhaust Series: Force II\u003c\/li\u003e\n\u003cli\u003eSound Level: Mild\u003c\/li\u003e\n\u003cli\u003eMaterial: 409 Stainless Steel Pipe and Muffler Body\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Material: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Finish: Polished Silver\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Diameter: 3.50 inches\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Length: 13.00 inches\u003c\/li\u003e\n\u003cli\u003eMain Piping Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Series: Super 50 Series\u003c\/li\u003e\n\u003cli\u003eMuffler Type: Chambered\u003c\/li\u003e\n\u003cli\u003eMuffler Body Size: 17.25 inches Long x 10.00 inches Wide x 5.00 inches High\u003c\/li\u003e\n\u003cli\u003eMuffler Finish: Black High-Temperature Paint Finish\u003c\/li\u003e\n\u003cli\u003eExit Style: Single Side Exit\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Shape: Round\u003c\/li\u003e\n\u003cli\u003eExhaust Tip Cut: Angled with Rolled Edge\u003c\/li\u003e\n\u003cli\u003eDrive Compatibility: 2WD and 4WD\u003c\/li\u003e\n\u003cli\u003eCatalytic Converter Included: No\u003c\/li\u003e\n\u003cli\u003eClamps Included: Yes\u003c\/li\u003e\n\u003cli\u003eHangers Included: Yes\u003c\/li\u003e\n\u003cli\u003eEmission Code: 5\u003c\/li\u003e\n\u003cli\u003eCARB Compliant: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstall Difficulty level\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Flowmaster Force II Cat-back Exhaust System is considered an easy installation project for enthusiasts with basic mechanical skills. The bolt-on design uses factory hanger locations and includes necessary hardware, allowing installation to be completed smoothly with common tools. Installation can typically be completed in under one hour when the vehicle is properly prepared and the correct tools are available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2004-2008 Ford F-150 - 4.6L V8 Engine\u003c\/li\u003e\n\u003cli\u003e2004-2008 Ford F-150 - 5.4L V8 Engine\u003c\/li\u003e\n\u003cli\u003e2004-2008 Lincoln Mark LT - 4.6L V8 Engine\u003c\/li\u003e\n\u003cli\u003e2004-2008 Lincoln Mark LT - 5.4L V8 Engine\u003c\/li\u003e\n\u003cli\u003eFits 2-wheel drive and 4-wheel drive models.\u003c\/li\u003e\n\u003cli\u003eFits all wheelbase configurations.\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":47766404989106,"sku":"FLO817403","price":727.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/788efb49ad70a9c520a627d3edf66120L.jpg?v=1785248059","url":"https:\/\/morepowertuning.com\/products\/flowmaster-04-08-ford-f150-force-ii-cat-back-ss-exhaust-system","provider":"More Power Tuning","version":"1.0","type":"link"}