{"product_id":"flowmaster-american-thunder-cat-back-exhaust-system-817663","title":"Flowmaster American Thunder Cat-back Exhaust System - 817663","description":"Flowmaster's American Thunder cat-back exhaust system for the 1998-2003 Ford F-150 pickup truck is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This system allows you the choice of either dual out the rear exit tailpipes, or dual out the sides behind the rear wheels, which is perfect for towing. The bolt-on 409S stainless steel system fits both the 4.6L and the 5.4L V8 engines and features a Super 40 Series performance muffler and dual 2.50-inch mandrel-bent tailpipes finished off with a pair of large 3.50-inch polished stainless steel tips. This system is designed to fit all 2\/4 wheel drives, all wheelbases and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge 3.50-inch Polished 304 Stainless Steel Tips\u003c\/li\u003e\n\u003cli\u003eDual Outlet Super 40 Series Performance Muffler\u003c\/li\u003e\n\u003cli\u003eMandrel-bent Stainless Steel Construction\u003c\/li\u003e\n\u003cli\u003eAggressive Exterior Performance Tone\u003c\/li\u003e\n\u003cli\u003eUses the Factory Hanger Locations\u003c\/li\u003e\n\u003cli\u003eMultiple Exit Styles Provided in Kit\u003c\/li\u003e\n\u003cli\u003eClears the Factory Spare Tire\u003c\/li\u003e\n\u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003cli\u003eModerate Interior Tone\u003c\/li\u003e\n\u003cli\u003eEasy Installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e 1998-2003 Ford F-150 with 4.6L or 5.4L engine. Fits both 2\/4-wheel drive models. - Aggressive sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalifornia Proposition 65:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalifornia Proposition 65 Chemical Name:\u003c\/strong\u003e Chromium (hexavalent compounds), Nickel (Metallic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCARB (California) Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Quantity:\u003c\/strong\u003e 0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Type:\u003c\/strong\u003e Flat Band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamps Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e 2WD, 4WD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Series:\u003c\/strong\u003e American Thunder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Color:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Connection:\u003c\/strong\u003e Clamp-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Cut:\u003c\/strong\u003e Angled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Diameter:\u003c\/strong\u003e 3.50 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Edge:\u003c\/strong\u003e Angle Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Finish:\u003c\/strong\u003e Polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Intercooled:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Length:\u003c\/strong\u003e 13.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Material:\u003c\/strong\u003e 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Resonated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Wall:\u003c\/strong\u003e Double Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExit Style:\u003c\/strong\u003e Dual Out Rear, Dual Out Side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Or Seal Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHangers Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Shield Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Diameter:\u003c\/strong\u003e 2.50 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Type:\u003c\/strong\u003e Clamp-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Piping Diameter:\u003c\/strong\u003e 2.50 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Bracket Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Height:\u003c\/strong\u003e 5.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Length:\u003c\/strong\u003e 10.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Material:\u003c\/strong\u003e 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Width:\u003c\/strong\u003e 10.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Finish:\u003c\/strong\u003e Black High-Temperature Paint Finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Flanged Inlet:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Flanged Outlet:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Inlet Connection:\u003c\/strong\u003e Slip-Fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Inlet Inside Diameter:\u003c\/strong\u003e 2.50 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Inlet Outside Diameter:\u003c\/strong\u003e 2.63 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Outlet Connection:\u003c\/strong\u003e Slip-Fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Outlet Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Part Number:\u003c\/strong\u003e Kit Only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Quantity:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Series:\u003c\/strong\u003e Super 40 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Type:\u003c\/strong\u003e Chambered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Exhaust System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Color:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Material:\u003c\/strong\u003e 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Exhaust System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Level:\u003c\/strong\u003e Aggressive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Bolt Kit Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTail Pipe Outlet Outside Diameter:\u003c\/strong\u003e 2.50 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTail Pipe Quantity:\u003c\/strong\u003e 2, Dual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTail Pipe Tapered Outlet:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Cat-Back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Not Applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cp\u003eFits 1998-2003 Ford F-150 with 4.6L or 5.4L engine. Fits both 2\/4-wheel drive models.\u003c\/p\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":49707757863150,"sku":"FLO-817663","price":1065.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/5f35c7dcfe693ffa5c9165bc0eb42f6ad39ba834.jpg?v=1791489370","url":"https:\/\/elmosspeedshop.com\/products\/flowmaster-american-thunder-cat-back-exhaust-system-817663","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}