American Thunder Cat-Back Exhaust System Fits 2001-2003 Silverado/Sierra 1500 Hd Truck With 6.0L Engine Moderate Sound - Flowmaster - 17350

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Force II cat-back exhaust system provides, the S.O.S. (Single out side) systems are the perfect choice.

The 3.00-inch mandrel-bent aluminized steel tubing flows into a large case dual inlet 50 Series Big Block performance muffler that delivers a deep moderate exterior tone while retaining a mild to moderate interior tone. The 3.00-inch tailpipe uses the factory hanger locations for an easy installation and is finished off with a large 3.50-inch polished 304 stainless steel tip. This system is best suited towards customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. 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 is covered by our 3-year Limited Warranty.


Includes Hangers and Hardware for an Easy Installation

Mandrel-bent 16-gauge Aluminized Steel Tubing

Large 3.50-inch Polished 304 Stainless Steel Tip

70 Series Big Block II Performance Muffler

Mild to Moderate Exterior Exhaust Tone

Dyno Tuned for Maximum Performance

Includes a 3-year Limited Warranty

Uses the Factory Hanger Locations

Minimal Interior Sound

Easy Installation