Description
Performance Upgrade. The Flowmaster American Thunder Exhaust System with Polished Tips and Side/Rear Exit is designed to enhance your truck’s power and efficiency while delivering a moderate exhaust tone. This cat-back system improves airflow for better throttle response and fuel economy, offering a balanced performance and sound without compromising emissions compliance.
Construction and Appearance. Made from durable 16-gauge aluminized steel with mandrel-bent tubing, this exhaust system ensures smooth exhaust flow and corrosion resistance. It features a Super 50 Series muffler for optimized sound control, finished with dual polished 3.00-inch 304 stainless steel tips that provide a sleek, professional appearance.
Installation. Installation is straightforward, using factory hanger locations and including all necessary hardware. No cutting or welding is required, making it accessible for most enthusiasts with basic mechanical skills.
Warranty. Backed by a 3-year limited warranty for added peace of mind. Application. Specifically fits 2003–2008 Dodge Ram 2500 and 3500 trucks equipped with the 5.7L Hemi engine.
Flowmaster 17438
CA Residents: WARNING: Cancer and Reproductive Harm
- Aluminized Steel Cat-Back Exhaust System
- Fits 2003-2008 Dodge Ram 2500 and 3500 with 5.7L Hemi Engine
- Moderate Sound Level
- Mandrel-Bent 16 Gauge Tubing
- Includes Super 50 Series Muffler
- Dual 2.50 Inch Tailpipes
- Polished 3.00 Inch Stainless Steel Tips
- Two Tailpipe Exit Locations: Rear and Side
- Uses Factory Hanger Locations for Easy Installation
- Improved Performance and Fuel Economy
- Does Not Affect Vehicle Emissions
- Includes Hangers and Installation Hardware
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Rear – Dual |
| Exhaust Loudness | Moderate |
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