{"product_id":"flowmaster-817139","title":"Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate\/Aggressive","description":"\u003cp\u003eFlowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate\/Aggressive\u003c\/p\u003e\u003cp\u003eFlowmaster American Thunder Crossmember-Back Exhaust System\u003c\/p\u003e\u003cp\u003eAmerican Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing\/Super 44 Series™ Mufflers\/H-Pipe\/Hardware; 409 Stainless Steel;\u003c\/p\u003e\u003cp\u003eThis American Thunder(R) exhaust system comes as a complete true dual crossmember-back exhaust for your 1969 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe\/balance tube flowing into a pair of Super 44(R) mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit straight out under the rear bumper and are finished off with 2.50-inch angle-cut brushed stainless steel tips and includes all hangers and necessary hardware for installation. Like all Flowmaster(R) systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty. To fit Convertible models without modification to the factory X-brace. You will need to shim the brace with 3\/8-inch of spacers, or replace the factory X-brace with Hotchkis Suspension part# 1404 X-brace.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStainless Steel Exhaust Tips Exit in the Factory Location\u003c\/li\u003e\n\u003cli\u003eH-pipe Crossover for Maximum Power and Deep Tone\u003c\/li\u003e\n\u003cli\u003eSuper 44 Series Mufflers for Deep Powerful Sound\u003c\/li\u003e\n\u003cli\u003eIncludes Hangers and Hardware for Installation\u003c\/li\u003e\n\u003cli\u003eMandrel-bent 16-gauge Stainless Steel Tubing\u003c\/li\u003e\n\u003cli\u003eModerate to Aggressive Exterior Exhaust Tone\u003c\/li\u003e\n\u003cli\u003eCrossmember-Back True Dual Exhaust System\u003c\/li\u003e\n\u003cli\u003eDoes Not Include Header Reducers or Factory Manifold Downpipes\u003c\/li\u003e\n\u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eFlowmaster\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCARB (California) Compliant\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCatalytic Converter Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCatalytic Converter Quantity\u003c\/strong\u003e: \u003cspan\u003e0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eExhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClamping Type\u003c\/strong\u003e: \u003cspan\u003eFlat Band\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClamps Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDrive\u003c\/strong\u003e: \u003cspan\u003e2WD\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Series\u003c\/strong\u003e: \u003cspan\u003eAmerican Thunder\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Color\u003c\/strong\u003e: \u003cspan\u003eSilver\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Connection\u003c\/strong\u003e: \u003cspan\u003eWelded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Cut\u003c\/strong\u003e: \u003cspan\u003eAngled\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Diameter\u003c\/strong\u003e: \u003cspan\u003e2.50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Edge\u003c\/strong\u003e: \u003cspan\u003eSlash Cut\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Finish\u003c\/strong\u003e: \u003cspan\u003ePolished\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Intercooled\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Length\u003c\/strong\u003e: \u003cspan\u003e15.20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Material\u003c\/strong\u003e: \u003cspan\u003e304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Quantity\u003c\/strong\u003e: \u003cspan\u003e2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Resonated\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Shape\u003c\/strong\u003e: \u003cspan\u003eRound\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Wall\u003c\/strong\u003e: \u003cspan\u003eSingle Wall\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExit Style\u003c\/strong\u003e: \u003cspan\u003eDual Out Rear\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eNatural\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGasket Or Seal Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHangers Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHeat Shield Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e: \u003cspan\u003e2.50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInlet Type\u003c\/strong\u003e: \u003cspan\u003eWeld-On\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMain Piping Diameter\u003c\/strong\u003e: \u003cspan\u003e2.50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMounting Bracket Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Left) Body Height\u003c\/strong\u003e: \u003cspan\u003e4.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Left) Body Length\u003c\/strong\u003e: \u003cspan\u003e13.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Left) Body Width\u003c\/strong\u003e: \u003cspan\u003e9.75\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Left) Type\u003c\/strong\u003e: \u003cspan\u003eChambered\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Right) Body Height\u003c\/strong\u003e: \u003cspan\u003e4.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Right) Body Length\u003c\/strong\u003e: \u003cspan\u003e13.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Right) Body Width\u003c\/strong\u003e: \u003cspan\u003e9.75\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler (Right) Type\u003c\/strong\u003e: \u003cspan\u003eChambered\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Body Height\u003c\/strong\u003e: \u003cspan\u003e4.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Body Length\u003c\/strong\u003e: \u003cspan\u003e13.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Body Material\u003c\/strong\u003e: \u003cspan\u003e409 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Body Shape\u003c\/strong\u003e: \u003cspan\u003eOval\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Body Width\u003c\/strong\u003e: \u003cspan\u003e9.50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Finish\u003c\/strong\u003e: \u003cspan\u003eBlack High-Temperature Paint Finish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Flanged Inlet\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Flanged Outlet\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Inlet Connection\u003c\/strong\u003e: \u003cspan\u003eSlip-Fit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Inlet Inside Diameter\u003c\/strong\u003e: \u003cspan\u003e2.50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Inlet Outside Diameter\u003c\/strong\u003e: \u003cspan\u003e2.63\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Outlet Connection\u003c\/strong\u003e: \u003cspan\u003eSlip-Fit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Outlet Quantity\u003c\/strong\u003e: \u003cspan\u003e1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Part Number\u003c\/strong\u003e: \u003cspan\u003e842546\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Quantity\u003c\/strong\u003e: \u003cspan\u003e2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Series\u003c\/strong\u003e: \u003cspan\u003eSuper 44 Series\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Type\u003c\/strong\u003e: \u003cspan\u003eChambered\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eExhaust System\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePipe Color\u003c\/strong\u003e: \u003cspan\u003eSilver\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePipe Material\u003c\/strong\u003e: \u003cspan\u003e409 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eExhaust System\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSound Level\u003c\/strong\u003e: \u003cspan\u003eAggressive \/ Moderate\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpring Bolt Kit Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eExhaust and Tail Pipes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTail Pipe Outlet Outside Diameter\u003c\/strong\u003e: \u003cspan\u003e2.50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTail Pipe Quantity\u003c\/strong\u003e: \u003cspan\u003e2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTail Pipe Quantity\u003c\/strong\u003e: \u003cspan\u003eDual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTail Pipe Tapered Outlet\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: \u003cspan\u003eCrossmember-back\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Type\u003c\/strong\u003e: \u003cspan\u003eNot Applicable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":47299622731914,"sku":"FLO-817139","price":1065.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_817139_normalized.jpg?v=1776458956","url":"https:\/\/www.onlyinstock.com\/products\/flowmaster-817139","provider":"Only In Stock","version":"1.0","type":"link"}