{"product_id":"flowmaster-american-thunder-crossmember-back-exhaust-system-17104","title":"Flowmaster American Thunder Crossmember-Back Exhaust System - 17104","description":"Flowmaster is proud to introduce our American Thunder dual exhaust system for 1967-1974 Camaro and Firebird, and 1968-1974 Nova. The system features our exclusive 80 Series Crossflow performance muffler that tucks up high behind the rear differential. Other features include all mandrel-bent dual 2.50-inch head pipes with a built-in H-pipe crossover and dual 2.50-inch tailpipes for a deep rich sound and optimum performance. This Crossmember-Back aluminized steel exhaust system gives these classic muscle cars a moderate tone inside and out. The system includes all parts, hardware and illustrated instructions and is covered by our 3-year Limited Warranty. If you prefer Stainless steel construction, check out optional system# 817104 which comes with a Lifetime Limited Warranty. Notes: Does not include manifold downpipes or header reducer cones. Convertible models will require adding 3\/8-inch of shims to the stock factory X-brace for clearance or purchasing Hotchkis Performance Convertible brace Part# 1404.\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eH-pipe Crossover for Maximum Power and Deep Tone \u003c\/li\u003e\n\u003cli\u003eIncludes Hangers and Hardware for Easy Installation\u003c\/li\u003e\n\u003cli\u003eMandrel-bent 16-gauge Aluminized Steel Tubing\u003c\/li\u003e\n\u003cli\u003eDoes Not Include Manifold Downpipes or Header Reducers\u003c\/li\u003e\n\u003cli\u003eModerate Exterior Exhaust Tone\u003c\/li\u003e\n\u003cli\u003eMaximum Ground Clearance\u003c\/li\u003e\n\u003cli\u003eCrossmember-back System\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 Fits 1967-1974 Chevrolet Camaro, Pontiac Firebird and 1968-1974 Chevrolet Nova with V8 engine, 2.5\" pipes - Moderate sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalifornia Proposition 65:\u003c\/strong\u003e No\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 U-Bolt\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\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 Quantity:\u003c\/strong\u003e 0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExit Style:\u003c\/strong\u003e Dual Out Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Aluminized\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 Weld-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 (Rear) Body Height:\u003c\/strong\u003e 4.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler (Rear) Body Length:\u003c\/strong\u003e 18.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler (Rear) Body Width:\u003c\/strong\u003e 9.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler (Rear) Finish:\u003c\/strong\u003e Black High-Temperature Paint Finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler (Rear) Type:\u003c\/strong\u003e Chambered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Length:\u003c\/strong\u003e 13.00 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Body Material:\u003c\/strong\u003e Aluminized 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 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 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Part Number:\u003c\/strong\u003e 42585\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 80 Series Crossflow\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 Aluminized 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 Moderate\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 Crossmember-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\u003e\"Works with Factory manifolds or headers.  Connector pipes not included.\u003c\/p\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":49706802249966,"sku":"FLO-17104","price":949.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/bee2eca635a6b3b2bd14c4a11c9673b1155d3028.jpg?v=1791477118","url":"https:\/\/elmosspeedshop.com\/products\/flowmaster-american-thunder-crossmember-back-exhaust-system-17104","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}