1999-2006 Flowmaster Exhaust Chevrolet Silverado, GMC Sierra 1500 Trucks Flowmaster With 4.8L or 5.3L Engine. Extended Cab/Short Bed Only 143.5 WB

Aggressive Performance Upgrade. The Flowmaster American Thunder Dual Exhaust System with Polished Tips offers a powerful, race-inspired exhaust note and improved airflow for enhanced vehicle performance. This system delivers an aggressive tone that maximizes exhaust efficiency and driver satisfaction.

Construction and Appearance. Manufactured from 3.00-inch mandrel-bent 16-gauge aluminized steel tubing, the system includes a Super 40 Series performance muffler to produce a deep, powerful sound. It features dual 2.50-inch tailpipes and dual 3.00-inch polished 304 stainless steel slash-cut angled tips that provide corrosion resistance and a striking appearance.

Installation. Installation is straightforward using factory hanger locations along with included hangers and hardware. No drilling is required, making this a quick and easy bolt-on upgrade.

Warranty. This exhaust system is backed by a 3-year limited warranty, ensuring quality and durability.

Application. Fits 1999-2007 Chevrolet Silverado and GMC Sierra 1500 trucks with 4.8L or 5.3L V8 engines, specifically extended cab and short bed models with a 143.5-inch wheelbase. Compatible with both 2WD and 4WD configurations. Not compatible with other configurations or models beyond these specifications.

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