Flowmaster American Thunder Cat-Back Exhaust for GM 2500HD 6.6L (2020-2021)

Unleash the power and aggressive sound of your GM 2500HD pickup with the Flowmaster 817933 American Thunder Cat-Back Exhaust System. Engineered for the 6.6L Duramax diesel engine, this system delivers a signature Flowmaster tone that commands attention. The 3-inch diameter tubing is designed to optimize exhaust flow, while the dual side exit configuration with 4-inch polished stainless steel tips provides a stunning visual upgrade.

System Highlights:

• American Thunder Series: Delivers a powerful, aggressive exhaust note.
• Cat-Back Design: Replaces the factory system from the catalytic converter back for maximum performance gains.
• 3-Inch Tubing: Mandrel-bent tubing ensures optimal exhaust gas velocity and flow.
• Dual Side Exit: Provides a balanced, aggressive look.
• 4-Inch Polished Stainless Steel Tips: Adds a premium, custom finish to your truck's rear.
• Durable Stainless Steel Construction: Resists corrosion for long-lasting performance.
• Vehicle Specific Fitment: Designed for 2020 and 2021 GM 2500HD trucks with the 6.6L engine.

This Flowmaster exhaust system is the perfect choice for truck owners seeking an enhanced driving experience, combining aggressive sound, improved performance, and a bold aesthetic. Installation is designed to be as straightforward as possible, utilizing factory mounting points. Elevate your truck's presence on the road and trail with this premium exhaust upgrade from Flowmaster, available now at GGCRACING.