Description
Flowmaster American Thunder Exhaust System
14-24 Ram 6.4L 392 2500
817709
The Flowmaster American Thunder Exhaust System is crafted for enthusiasts seeking a deeper, more aggressive exhaust note along with improved performance. This bolt-on, emissions-legal cat-back system is specifically designed for vehicles equipped with a 6.4L engine and coil spring rear suspension.Built around a robust 50 Series HD™ stainless steel performance muffler with 4.00-inch internals, this system offers a moderate interior tone and aggressive exterior sound—perfect for drivers who want to be heard without overwhelming cabin noise.The system features large, dual 3.00-inch mandrel-bent stainless steel tailpipes for improved exhaust flow and maximum efficiency. It includes two tailpipe exit configurations: behind the rear wheels for better towing clearance or straight out the back for a clean, classic look. Each tailpipe is finished with polished 4.00-inch stainless steel tips for a refined, performance-ready appearance.Designed to install easily using factory hanger locations, this system also clears the factory spare tire and comes complete with all required hardware and step-by-step instructions. Backed by Flowmaster’s Lifetime Limited Warranty, it delivers reliable performance for the long haul.
- 50 Series HD™ Muffler – Stainless steel construction with large 4.00-inch internals for powerful sound and flow.
- Dual 3.00-Inch Mandrel-Bent Tailpipes – Reduces restrictions and increases horsepower.
- Aggressive Exterior Sound – Bold exhaust note with a moderate tone inside the cabin.
- Two Tailpipe Exit Options – Choose behind the rear wheels or straight out the back.
- Polished 4.00-Inch Stainless Steel Tips – Adds a premium, performance finish.
- Factory Hanger Compatibility – No cutting or welding required.
- Spare Tire Clearance – Designed to fit without interference.
- Stainless Steel Construction – Corrosion-resistant and built to last.
- Lifetime Limited Warranty – Long-term confidence in quality and performance.
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