Flowmaster American Thunder Cat-Back Exhaust System: Dodge Challenger (15-16)

Flowmaster American Thunder Cat-Back Exhaust System

2015–2016 Dodge Challenger R/T 5.7L HEMI

817716

Overview:

The Flowmaster American Thunder Cat-back Exhaust System is engineered specifically for the 2015–2016 Dodge Challenger R/T equipped with the 5.7L HEMI engine. Designed for enthusiasts seeking a bold and aggressive exhaust note without overwhelming cabin noise, this system delivers a balanced sound that enhances the driving experience both inside and outside the vehicle. It combines Flowmaster’s renowned performance heritage with a straightforward bolt-on installation, making it an ideal upgrade for Challenger owners looking to improve exhaust flow and add a distinctive muscle car tone.

Whether you’re cruising the streets or hitting the open road, the American Thunder system offers a perfect blend of style, sound, and performance benefits that complement the iconic Dodge Challenger.

Key Features:

This cat-back exhaust system incorporates several advanced features designed to maximize performance and durability:

• Dual Super 40 Series mufflers for a deep, aggressive exhaust tone with moderate cabin sound
• Mandrel-bent 2.50-inch stainless steel tailpipes for optimal exhaust flow and power gains
• Utilizes original factory exhaust tips for a seamless, factory-correct appearance
• Constructed from corrosion-resistant 409S stainless steel for long-lasting durability
• Emissions-legal design suitable for street use
• Complete bolt-on installation with all necessary hardware included
• Flowmaster’s Lifetime Limited Warranty for peace of mind

Construction & Design:

The American Thunder Cat-back system is crafted from premium 409S stainless steel, chosen for its excellent resistance to rust and corrosion, ensuring longevity even under harsh driving conditions. The dual Super 40 Series mufflers are engineered to provide a distinctive, throaty exhaust note while minimizing drone inside the cabin. Mandrel bending of the 2.50-inch diameter pipes maintains consistent pipe diameter through bends, optimizing exhaust gas flow and enhancing engine efficiency. The system retains the factory exhaust tips, preserving the Challenger’s aggressive yet refined rear-end styling.

Performance & Sound

This exhaust system is designed to improve exhaust scavenging and reduce backpressure, which can contribute to enhanced throttle response and potential horsepower gains. The Super 40 mufflers deliver an aggressive yet controlled exhaust tone that is louder and more assertive than stock, without being intrusive or harsh. This makes it an excellent choice for drivers who want to hear their HEMI engine’s power without excessive noise fatigue during longer drives.

Installation & Fitment:

The Flowmaster American Thunder Cat-back exhaust system is a direct bolt-on replacement for the factory exhaust on 2015–2016 Dodge Challenger R/T models with the 5.7L HEMI engine. Installation requires no cutting, welding, or modifications, allowing for a straightforward upgrade that can typically be completed with basic hand tools. All necessary clamps, hangers, and hardware are included to ensure a secure and proper fitment.

What's Included:

• Pair of Super 40 Series mufflers
• Dual mandrel-bent 2.50" stainless steel tailpipes
• All mounting hardware and clamps
• Installation instructions

Ideal For:

This exhaust system is ideal for Dodge Challenger R/T owners who want to enhance their vehicle’s exhaust sound and performance without sacrificing drivability or requiring extensive modifications. It suits enthusiasts who appreciate a muscular, aggressive tone that commands attention while maintaining a comfortable interior noise level. Perfect for street driving, weekend cruises, and car shows, the American Thunder system elevates the Challenger’s presence on the road.