{"product_id":"flowmaster-american-thunder-header-back-exhaust-system-817158","title":"Flowmaster American Thunder Header-back Exhaust System 817158","description":"\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFor the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge 2.50-inch mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series performance mufflers and includes all hangers and hardware necessary for installation. The tailpipes exit in the factory location behind the rear wheels. The exhaust system delivers an aggressive to moderate exterior sound tone with a moderate interior tone and is best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. Covered by our Lifetime Limited Warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cli\u003eDyno Tuned For Maximum Performance\u003c\/li\u003e\u003cli\u003eRace Proven Design\u003c\/li\u003e\u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\u003cli\u003eStainless Steel Construction\u003c\/li\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003cli\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003eFlowmaster\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eCARB (California) Compliant: \u003c\/strong\u003eYes\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Included: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Quantity: \u003c\/strong\u003e0\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eClamping Type: \u003c\/strong\u003eFlat Band\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eClamps Included: \u003c\/strong\u003eYes\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eEmission Code: \u003c\/strong\u003e5\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eExhaust Series: \u003c\/strong\u003eAmerican Thunder\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Connection: \u003c\/strong\u003eClamp-On\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Quantity: \u003c\/strong\u003e0\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Shape: \u003c\/strong\u003eRound\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eExit Style: \u003c\/strong\u003eDual Out Rear\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eFinish: \u003c\/strong\u003eNatural\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eGasket Or Seal Included: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eGrade Type: \u003c\/strong\u003ePerformance\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eHangers Included: \u003c\/strong\u003eYes\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eHeat Shield Included: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eInlet Diameter: \u003c\/strong\u003e2.5\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eInlet Type: \u003c\/strong\u003eWeld-On\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMain Piping Diameter: \u003c\/strong\u003e2.5\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMounting Bracket Included: \u003c\/strong\u003eYes\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Left) Body Height: \u003c\/strong\u003e4\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Left) Body Length: \u003c\/strong\u003e13\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Left) Body Width: \u003c\/strong\u003e9.75\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Left) Type: \u003c\/strong\u003eChambered\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Right) Body Height: \u003c\/strong\u003e4\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Right) Body Length: \u003c\/strong\u003e13\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Right) Body Width: \u003c\/strong\u003e9.75\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler (Right) Type: \u003c\/strong\u003eChambered\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Body Height: \u003c\/strong\u003e4\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Body Length: \u003c\/strong\u003e13\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Body Material: \u003c\/strong\u003e409 Stainless Steel\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Body Shape: \u003c\/strong\u003eOval\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Body Width: \u003c\/strong\u003e9.5\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Finish: \u003c\/strong\u003eBlack High-Temperature Paint Finish\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Flanged Inlet: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Flanged Outlet: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Included: \u003c\/strong\u003eYes\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Inlet Connection: \u003c\/strong\u003eSlip-Fit\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Inlet Inside Diameter: \u003c\/strong\u003e2.5\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Inlet Outside Diameter: \u003c\/strong\u003e2.63\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Outlet Connection: \u003c\/strong\u003eSlip-Fit\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Outlet Quantity: \u003c\/strong\u003e1\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Part Number: \u003c\/strong\u003eKit Only\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Quantity: \u003c\/strong\u003e2\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Series: \u003c\/strong\u003eSuper 44 Series\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eMuffler Type: \u003c\/strong\u003eChambered\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003ePipe Color: \u003c\/strong\u003eSilver\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003ePipe Material: \u003c\/strong\u003e409 Stainless Steel\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eSound Level: \u003c\/strong\u003eAggressive \/ Moderate\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eSpring Bolt Kit Included: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eTail Pipe Outlet Outside Diameter: \u003c\/strong\u003e2.5\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eTail Pipe Quantity: \u003c\/strong\u003e2\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eTail Pipe Tapered Outlet: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eType: \u003c\/strong\u003eCrossmember-back\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eValve Included: \u003c\/strong\u003eNo\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003eValve Type: \u003c\/strong\u003eNot Applicable\u003c\/li\u003e\u003cli\u003e\n\u003cstrong\u003ePart Number: \u003c\/strong\u003e817158\u003c\/li\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1968-1968 Chevrolet Chevy II 396 CID\u003c\/li\u003e\n\u003cli\u003e1968-1968 Chevrolet Chevy II 307 CID\u003c\/li\u003e\n\u003cli\u003e1968-1968 Chevrolet Chevy II 327 CID\u003c\/li\u003e\n\u003cli\u003e1969-1973 Chevrolet Nova 307 CID\u003c\/li\u003e\n\u003cli\u003e1969-1970 Chevrolet Nova 396 CID\u003c\/li\u003e\n\u003cli\u003e1970-1972 Chevrolet Nova 402 CID\u003c\/li\u003e\n\u003cli\u003e1970-1971 Chevrolet Nova 454 CID\u003c\/li\u003e\n\u003cli\u003e1971-1974 Pontiac Ventura 350 CID\u003c\/li\u003e\n\u003cli\u003e1971-1973 Pontiac Ventura 307 CID\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThis part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":46864487350508,"sku":"817158-CP","price":949.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/3678\/5315\/files\/817158-c397878376e71d2b1d99c5b6e368b7e630ebd305_df5a1cd6-073b-4e66-9e2e-d4ff31b6bdf1.jpg?v=1777936060","url":"https:\/\/www.carpartpeople.com\/products\/flowmaster-american-thunder-header-back-exhaust-system-817158","provider":"Car Part People","version":"1.0","type":"link"}