{"product_id":"flowmaster-64-67-gm-a-body-3in-american-thunder-ss-crossmember-back-exhaust-system","title":"Flowmaster 64-67 GM A-BODY 3in. American Thunder SS Crossmember-Back Exhaust System","description":"The American Thunder® Crossmember-Back exhaust system is a true dual large 3.00-inch muscle car system for the person who is looking for a deep aggressive sound for their high horsepower vehicle. This stainless steel system is mandrel-bent for maximum performance, includes an H-pipe crossover to balance out the exhaust pressures, add hp and torque, and to help eliminate back-rap on deceleration. The specially selected Super 40® Series performance mufflers feature a large case to handle the added horsepower and provide a deep muscular tone flowing through the large 3.00-inch tailpipes. The American Thunder systems generally deliver an aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modifications. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Covered by our Lifetime Limited Warranty.\nFits 1964-1967 GM A-Body 3.00-inch stainless steel system with V8 engine. - Aggressive sound\nDoes Not Include Header Reducers or Downpipes for Factory Manifolds\n\u003cul\u003e\n  \u003cli\u003eLarge 3.00-inch Exhaust System for High Horsepower Engines\u003c\/li\u003e\n  \u003cli\u003eH-pipe Crossover for Maximum Power and Deep Tone\u003c\/li\u003e\n  \u003cli\u003eSuper 40 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\u003eCrossmember-Back True Dual Exhaust System\u003c\/li\u003e\n  \u003cli\u003eAggressive Exterior Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1964 Buick Skylark\u003cbr\u003e\n1964 Buick Special\u003cbr\u003e\n1964 Buick Sportwagon\u003cbr\u003e\n1964 Chevrolet Chevelle\u003cbr\u003e\n1964 Chevrolet El Camino\u003cbr\u003e\n1964 Chevrolet Malibu\u003cbr\u003e\n1964 Oldsmobile 442\u003cbr\u003e\n1964 Oldsmobile Cutlass\u003cbr\u003e\n1964 Oldsmobile F85\u003cbr\u003e\n1964 Oldsmobile Vista Cruiser\u003cbr\u003e\n1964 Pontiac GTO\u003cbr\u003e\n1964 Pontiac LeMans\u003cbr\u003e\n1964 Pontiac Tempest\u003cbr\u003e\n1965 Buick Gran Sport\u003cbr\u003e\n1965 Buick Skylark\u003cbr\u003e\n1965 Buick Special\u003cbr\u003e\n1965 Buick Sportwagon\u003cbr\u003e\n1965 Chevrolet Chevelle\u003cbr\u003e\n1965 Chevrolet El Camino\u003cbr\u003e\n1965 Chevrolet Malibu\u003cbr\u003e\n1965 Oldsmobile 442\u003cbr\u003e\n1965 Oldsmobile Cutlass\u003cbr\u003e\n1965 Oldsmobile F85\u003cbr\u003e\n1965 Oldsmobile Vista Cruiser\u003cbr\u003e\n1965 Pontiac GTO\u003cbr\u003e\n1965 Pontiac LeMans\u003cbr\u003e\n1965 Pontiac Tempest\u003cbr\u003e\n1966 Buick Gran Sport\u003cbr\u003e\n1966 Buick Skylark\u003cbr\u003e\n1966 Buick Special\u003cbr\u003e\n1966 Buick Sportwagon\u003cbr\u003e\n1966 Chevrolet Chevelle\u003cbr\u003e\n1966 Chevrolet El Camino\u003cbr\u003e\n1966 Chevrolet Malibu\u003cbr\u003e\n1966 Oldsmobile 442\u003cbr\u003e\n1966 Oldsmobile Cutlass\u003cbr\u003e\n1966 Oldsmobile F85\u003cbr\u003e\n1966 Oldsmobile Vista Cruiser\u003cbr\u003e\n1966 Pontiac GTO\u003cbr\u003e\n1966 Pontiac LeMans\u003cbr\u003e\n1966 Pontiac Tempest\u003cbr\u003e\n1967 Buick Gran Sport\u003cbr\u003e\n1967 Buick Skylark\u003cbr\u003e\n1967 Buick Special\u003cbr\u003e\n1967 Buick Sportwagon\u003cbr\u003e\n1967 Chevrolet Chevelle\u003cbr\u003e\n1967 Chevrolet El Camino\u003cbr\u003e\n1967 Chevrolet Malibu\u003cbr\u003e\n1967 Oldsmobile 442\u003cbr\u003e\n1967 Oldsmobile Cutlass\u003cbr\u003e\n1967 Oldsmobile Cutlass Supreme\u003cbr\u003e\n1967 Oldsmobile F85\u003cbr\u003e\n1967 Oldsmobile Vista Cruiser\u003cbr\u003e\n1967 Pontiac GTO\u003cbr\u003e\n1967 Pontiac LeMans\u003cbr\u003e\n1967 Pontiac Tempest\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nCarb Acknowledgement Required: true\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Y\u003cbr\u003e\nPart Type: automotive\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nUnits Per Sku: 1","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":49295714877659,"sku":"flo817202","price":1299.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8559\/1003\/files\/49864c9098f609a3222ebc8993717973L.jpg?v=1789162532","url":"https:\/\/hnbperformance.com\/products\/flowmaster-64-67-gm-a-body-3in-american-thunder-ss-crossmember-back-exhaust-system","provider":"Hellnback Offroad \u0026 Performance","version":"1.0","type":"link"}