{"product_id":"flowmaster-99-02-chevrolet-gmc-truck-144in-wheelbase-american-thunder-cat-back-exhaust-system","title":"Flowmaster American Thunder D\u0026S Cat-Back Chevy Silverado\/GMC Sierra (99-06) (17325)","description":"\u003cp\u003eThe Flowmaster American Thunder Cat-Back Exhaust System is a performance upgrade designed for Chevrolet and GMC trucks with a 144-inch wheelbase from 1999 to 2002. Constructed with aluminized steel and featuring a dual inlet 50 Series Big Block muffler, this system provides a deep, powerful exterior tone while maintaining a moderate interior sound. It enhances throttle response, power, and fuel efficiency, offering a subtle custom appearance with a polished stainless steel tip embossed with the Flowmaster logo. The system includes a large aluminum heat shield, stainless clamps, and custom bent tailpipe for durability and style, delivering a balanced sound suitable for enthusiasts seeking performance without excessive noise.\u003c\/p\u003e\n\u003cp\u003eThis exhaust system is specifically designed to fit 2WD and 4WD trucks with extended cabs and short beds, featuring a 143.5-inch wheelbase. It attaches directly to the back of the catalytic converter, utilizing factory hanger locations for straightforward installation. The 3.00-inch aluminized steel tailpipe exits behind the right rear wheel, making it ideal for towing and daily driving. The kit includes all necessary hardware and instructions, ensuring a hassle-free upgrade for street and performance-oriented applications.\u003c\/p\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":52748119867679,"sku":"17325","price":584.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/435dc4c3c05d7595af2bf7e59e990ae2L.jpg?v=1786061405","url":"https:\/\/shop.wheelflip.com\/products\/flowmaster-99-02-chevrolet-gmc-truck-144in-wheelbase-american-thunder-cat-back-exhaust-system","provider":"WheelFlip","version":"1.0","type":"link"}