Flowmaster - 99-05 Gm P/u Ext Cab Sb American Thunder System

The Flowmaster American Thunder Cat-Back Exhaust System is designed for 1999-2005 Chevrolet Silverado and GMC Sierra 1500 trucks with 4.8L or 5.3L engines. This system features a Super 40 Series performance muffler, providing a deep, powerful sound. Constructed from 16-gauge aluminized steel, it includes 3-inch mandrel-bent tubing and dual 2.5-inch tailpipes, finished with 3-inch polished stainless steel tips. The system offers a moderate to aggressive exterior exhaust tone and is dyno-tuned for maximum performance. It utilizes factory hanger locations for easy installation and comes with all necessary hardware and instructions. Backed by a 3-year limited warranty. ([10secondracing.com](https://10secondracing.com/products/flowmaster%C2%AE-99-06-silverado-sierra-aluminized-american-thunder-cat-back-system-ext-cab-143-5-wb?utm_source=openai))