{"product_id":"flowmaster-64-72-gm-a-body-2-5-in-american-thunder-crossmember-back-exhaust-system","title":"Flowmaster 64-72 GM A-BODY 2.5 in. American Thunder Crossmember-Back Exhaust System","description":"This American Thunder® Crossmember-Back exhaust system is custom designed for most 1964-1972 GM A-body cars and is for the person looking for a complete 2.50-inch dual exhaust system with a moderately aggressive exterior tone and a moderate interior sound. With easy fit in mind, these aluminized steel systems feature all mandrel-bent tubing, an H-pipe to equalize the exhaust pressures for maximum performance and deep sound and includes a pair of specially selected Super 40™ mufflers. The mandrel-bent 2.50-inch tailpipes tuck up out of the way for maximum clearance and offer you two choices of tailpipe exit styles. Like all Flowmaster® systems, benefits include improved throttle response, power, and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for an easy installation and is covered by our 3-year Limited Warranty.\nFits 1964-1972 GM A-Body with V8 engines, 2.5\" pipes - Aluminized Steel - Aggressive to moderate sound\nDoes Not Include Factory Manifold Downpipes or Header Reducer Cones\n\u003cul\u003e\n  \u003cli\u003eFits most 1964-1972 GM A-Bodies with V8 engines and aftermarket long tube headers.\u003c\/li\u003e\n  \u003cli\u003eIncludes Hangers and Hardware for Easy Installation\u003c\/li\u003e\n  \u003cli\u003eTwo Exit Style Choices: Slash Cut or Turndown\u003c\/li\u003e\n  \u003cli\u003eMandrel-bent 16-Gauge Aluminized Steel Tubing\u003c\/li\u003e\n  \u003cli\u003eModerate to Aggressive Exterior Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eBuilt-in Balance Pipe Equalizes Pressures\u003c\/li\u003e\n  \u003cli\u003eSuper 40 Series Performance Mufflers\u003c\/li\u003e\n  \u003cli\u003eFlowmaster Quality \u0026amp; Reliability\u003c\/li\u003e\n  \u003cli\u003eCrossmember-Back System\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your classic GM A-body with the Flowmaster American Thunder Crossmember-Back Exhaust System, designed specifically for 1964-1972 models equipped with V8 engines. This complete 2.50-inch dual exhaust system features all mandrel-bent aluminized steel tubing, ensuring maximum flow and durability. The system includes an H-pipe to balance exhaust pressures, which enhances overall performance and produces a deep, aggressive exterior sound with a moderate interior tone. Built for an easy fit, it comes with all necessary hardware and hangers for straightforward installation, making it an excellent choice for enthusiasts seeking improved throttle response, increased horsepower, and better fuel efficiency. The system offers two tailpipe exit styles—slash cut or turndown—allowing customization to match your vehicle’s aesthetics and performance preferences. Designed to tuck neatly out of the way, the 16-gauge mandrel-bent tailpipes provide maximum clearance and a clean look underneath your vehicle. As with all Flowmaster products, this system ensures reliable quality and performance, backed by a 3-year limited warranty. Please note, factory manifold downpipes and header reducer cones are not included. This crossmember-back exhaust system is suitable for most 1964-1972 GM A-bodies with aftermarket long tube headers, providing an aftermarket upgrade that enhances both sound and performance for your classic muscle car.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFits most 1964-1972 GM A-Body vehicles with V8 engines and aftermarket long tube headers\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes all necessary hangers and hardware for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTwo tailpipe exit style options: slash cut or turndown\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from 16-gauge mandrel-bent aluminized steel tubing for durability and flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProduces a moderate to aggressive exterior exhaust tone with a deep sound\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBuilt-in balance pipe to equalize exhaust pressures for maximum performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEquipped with Super 40™ series performance mufflers for enhanced sound and flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned as a crossmember-back exhaust system for optimal fit and clearance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFlowmaster quality and reliability backed by a 3-year limited warranty\u003c\/li\u003e\u003c\/ul\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":53855152374076,"sku":"flo17119","price":849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/4efb7c7a7a5af8a59fe58e52602d8acbL.jpg?v=1784843188","url":"https:\/\/necycleshop.com\/products\/flowmaster-64-72-gm-a-body-2-5-in-american-thunder-crossmember-back-exhaust-system","provider":"NE Cycle Shop","version":"1.0","type":"link"}