{"product_id":"flowmaster-01-04-gm-2500hd-3500hd-american-thunder-ss-cat-back-exhaust-system","title":"Flowmaster 01-04 GM 2500HD\/3500HD American Thunder SS Cat-Back Exhaust System","description":"For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides. This American Thunder system for the 2001-2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD\/3500HD with 6.0L or 8.1L engine with dual inlet muffler, delivers a moderate interior tone with a deep powerful exterior tone and is suited to the enthusiast who wants their performance to be heard. The system attaches to the back of the catalytic converter with a dual inlet 50 Series Big Block muffler for a deep powerful sound without being obnoxious. Includes a large custom formed aluminum heat shield with stainless clamps and easily attaches directly to the muffler body. The custom bent 3.50-inch 409 stainless steel tailpipe uses the factory hanger locations for an easy installation and exits out behind the right side rear wheel which is ideal for towing. The tailpipe is finished off with a large 4.00-inch polished 304 stainless steel tip embossed with the Flowmaster logo. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts, hardware and easy to follow instructions for a trouble free installation. Covered by Flowmaster's Lifetime Limited Warranty.\n2001-2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD\/3500HD with 6.0L or 8.1L engine with dual inlet muffler. Stainless Steel. - Aggressive sound\nFits 2001-2006 (2007 Classic) Chevrolet Silverado and GMC Sierra 2500 3\/4 Ton and 1 Ton HD truck with 6.0L or 8.1L engine with dual inlet muffler, fits 2\/4 wheel drive models with extended cab or crew cab.\n\u003cul\u003e\n  \u003cli\u003e3.50-inch Mandrel-bent 16-gauge Stainless Steel Tubing\u003c\/li\u003e\n  \u003cli\u003eIncludes Hangers and Hardware for an Easy Installation\u003c\/li\u003e\n  \u003cli\u003eLarge 4.00-inch Polished 304 Stainless Steel Tip\u003c\/li\u003e\n  \u003cli\u003eModerately Aggressive Exterior Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eConnects After Factory Catalytic Converter\u003c\/li\u003e\n  \u003cli\u003eUses the Factory Hanger Locations\u003c\/li\u003e\n  \u003cli\u003eQuick and Easy Installation\u003c\/li\u003e\n  \u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2001 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2001 Chevrolet Silverado 3500\u003cbr\u003e\n2001 GMC Sierra 2500 HD\u003cbr\u003e\n2001 GMC Sierra 3500\u003cbr\u003e\n2002 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2002 Chevrolet Silverado 3500\u003cbr\u003e\n2002 GMC Sierra 2500 HD\u003cbr\u003e\n2002 GMC Sierra 3500\u003cbr\u003e\n2003 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2003 Chevrolet Silverado 3500\u003cbr\u003e\n2003 GMC Sierra 2500 HD\u003cbr\u003e\n2003 GMC Sierra 3500\u003cbr\u003e\n2004 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2004 Chevrolet Silverado 3500\u003cbr\u003e\n2004 GMC Sierra 2500 HD\u003cbr\u003e\n2004 GMC Sierra 3500\u003cbr\u003e\n2005 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2005 Chevrolet Silverado 3500\u003cbr\u003e\n2005 GMC Sierra 2500 HD\u003cbr\u003e\n2005 GMC Sierra 3500\u003cbr\u003e\n2006 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2006 Chevrolet Silverado 3500\u003cbr\u003e\n2006 GMC Sierra 2500 HD\u003cbr\u003e\n2006 GMC Sierra 3500\u003cbr\u003e\n2007 Chevrolet Silverado 2500 HD Classic\u003cbr\u003e\n2007 Chevrolet Silverado 3500 Classic\u003cbr\u003e\n2007 GMC Sierra 2500 HD Classic\u003cbr\u003e\n2007 GMC Sierra 3500 Classic\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":49295293022427,"sku":"flo817328","price":899.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8559\/1003\/files\/577b1e4ffa1e644866a35c40f59ecd1bL.jpg?v=1789162003","url":"https:\/\/hnbperformance.com\/products\/flowmaster-01-04-gm-2500hd-3500hd-american-thunder-ss-cat-back-exhaust-system","provider":"Hellnback Offroad \u0026 Performance","version":"1.0","type":"link"}