Flowmaster American Thunder Exhaust System

2008–2014 Dodge Challenger SRT8

Part #: 817499

Overview

The Flowmaster American Thunder Exhaust System is designed specifically for Dodge Challenger SRT8 models from 2008 through 2014. Crafted for enthusiasts who demand a perfect blend of performance, sound, and durability, this exhaust system delivers an aggressive exterior tone while maintaining a moderate interior sound level. Whether you’re looking to enhance throttle response, increase horsepower, or improve fuel efficiency, the American Thunder system offers a comprehensive upgrade that transforms your Challenger’s driving experience.

Engineered for easy installation, this system fits using factory hanger locations and includes all necessary hardware, making it a straightforward bolt-on upgrade. It’s an ideal choice for drivers who want to amplify their vehicle’s presence on the road without compromising daily drivability.

Key Features

The Flowmaster American Thunder Exhaust System combines advanced engineering with quality materials to deliver outstanding performance and sound characteristics. Key features include:

• Mandrel-bent 16-gauge stainless steel tubing for optimal exhaust flow and durability
• Specially selected performance mufflers tuned to produce an aggressive exterior tone with a moderate interior sound
• Dyno-tuned design to maximize throttle response, horsepower, and fuel efficiency
• Utilizes factory hanger locations for a precise fit and easy installation
• Includes all necessary hangers and hardware for a complete bolt-on setup
• Corrosion-resistant stainless steel construction for long-lasting performance
• Enhances both power delivery and exhaust note without excessive cabin noise

Construction & Design

Built from mandrel-bent 16-gauge stainless steel tubing, the American Thunder Exhaust System ensures smooth exhaust flow and superior resistance to corrosion and wear. The mandrel bending process maintains consistent pipe diameter through bends, reducing flow restrictions and improving overall performance. Flowmaster’s carefully selected mufflers are engineered to balance aggressive sound with refined interior noise levels, providing a satisfying exhaust note that is both powerful and manageable.

The system is designed to fit precisely using the vehicle’s factory hanger locations, ensuring a secure and rattle-free installation. Every component is crafted to meet rigorous quality standards, delivering durability and reliability for years of spirited driving.

Performance & Sound

Flowmaster’s American Thunder system is dyno-tuned to enhance your Dodge Challenger SRT8’s performance by improving throttle response and increasing horsepower output. The exhaust design optimizes flow dynamics, reducing backpressure and allowing the engine to breathe more efficiently. This results in improved fuel mileage and a more responsive driving experience.

The exhaust note is aggressive and commanding on the outside, giving your Challenger a bold presence on the road. Inside the cabin, the sound remains moderate and refined, ensuring comfortable daily driving without excessive drone or harshness.

Installation & Fitment

Installation is straightforward thanks to the system’s design that uses factory hanger locations. This allows for a direct bolt-on replacement without the need for cutting, welding, or additional modifications. All necessary hangers and hardware are included, making the upgrade process simple and accessible for both professional installers and experienced enthusiasts.

This exhaust system is specifically engineered to fit Dodge Challenger SRT8 models from 2008 through 2014, ensuring a perfect fit and optimal performance for these vehicles.

What's Included

• Mandrel-bent 16-gauge stainless steel tubing sections
• Performance-tuned Flowmaster mufflers
• All necessary hangers and mounting hardware
• Installation instructions

Ideal For

The Flowmaster American Thunder Exhaust System is ideal for Dodge Challenger SRT8 owners seeking a high-quality, performance-oriented exhaust upgrade. It suits enthusiasts who want a more aggressive exhaust tone without sacrificing interior comfort, as well as those looking to improve throttle response and overall engine efficiency. Whether for spirited street driving or weekend cruising, this system enhances your vehicle’s power, sound, and style with reliable, long-lasting construction.