Flowmaster 40 Series Delta Flow® Chambered Muffler

2005–2013 Chrysler 300 / 2009–2014 Dodge Challenger / 2006–2010 Dodge Charger / 2005–2008 Dodge Magnum

842443

Overview:

The Flowmaster 40 Series Delta Flow® Chambered Muffler is engineered to deliver a balanced blend of aggressive sound and enhanced performance for a range of popular Chrysler and Dodge muscle cars. Designed specifically for the Chrysler 300 (2005–2013), Dodge Challenger (2009–2014), Dodge Charger (2006–2010), and Dodge Magnum (2005–2008), this muffler is ideal for enthusiasts seeking a deeper, more refined exhaust tone without excessive interior drone.

Utilizing Flowmaster’s innovative Delta Flow® technology, this muffler offers improved exhaust scavenging that helps optimize engine efficiency and power output. It’s a perfect upgrade for drivers who want to enhance their vehicle’s exhaust note and performance while maintaining a comfortable cabin environment.

Key Features:

The Flowmaster 40 Series Delta Flow® Muffler combines advanced engineering with durable construction to provide a superior exhaust solution. Key features include:

• Delta Flow® chambered design for increased exhaust scavenging and improved performance
• Aggressive yet refined exterior sound with reduced interior resonance
• Offset 2.25-inch inlet and outlet for versatile fitment and installation
• Constructed from 16 gauge 409S stainless steel for corrosion resistance and longevity
• Fully MIG welded seams ensuring maximum durability and leak-free operation
• Two-chamber design that balances sound quality and performance gains
• Compatible with factory and aftermarket exhaust systems for seamless integration
• Designed specifically for select Chrysler and Dodge muscle cars for precise fitment

Construction & Design:

Built to withstand the rigors of daily driving and spirited performance, the Flowmaster 40 Series Delta Flow® Muffler features robust 16 gauge 409S stainless steel construction. This material offers excellent resistance to rust and corrosion, extending the life of the muffler even under harsh environmental conditions.

The muffler’s chambers are expertly engineered with Flowmaster’s proprietary Delta Flow® deflectors. These deflectors create a unique flow path that enhances exhaust gas scavenging, which can improve engine efficiency and throttle response. The fully MIG welded construction ensures structural integrity and a tight seal, preventing leaks and maintaining consistent performance.

Performance & Sound

The 40 Series Delta Flow® Muffler is designed to deliver an aggressive exhaust note that is both powerful and controlled. Unlike traditional chambered mufflers that can produce excessive interior drone, this muffler reduces cabin resonance, providing a more comfortable driving experience without sacrificing the muscular sound enthusiasts desire.

Its two-chamber design enhances exhaust flow dynamics, which can contribute to improved horsepower and torque characteristics. Drivers will appreciate the deep, throaty tone that complements the aggressive styling and performance of their Chrysler or Dodge muscle car.

Installation & Fitment:

This muffler is designed for direct fitment on the Chrysler 300 (2005–2013), Dodge Challenger (2009–2014), Dodge Charger (2006–2010), and Dodge Magnum (2005–2008) models. The 2.25-inch offset inlet and outlet allow for straightforward installation with minimal modifications required, making it suitable for both professional installers and experienced DIY enthusiasts.

Installation typically involves replacing the factory muffler with this Flowmaster unit, using existing hangers and clamps. For optimal results, it is recommended to inspect the exhaust system for any wear or damage prior to installation.

What's Included:

• Flowmaster 40 Series Delta Flow® Chambered Muffler (Part #842443)
• Installation instructions

Ideal For:

This muffler is perfect for muscle car enthusiasts who want to upgrade their exhaust system for a more aggressive sound and improved performance without excessive interior noise. It suits owners of Chrysler 300, Dodge Challenger, Charger, and Magnum models who desire a durable, high-quality muffler that enhances both the auditory and driving experience.

Flowmaster is an iconic exhaust brand famous for signature exhaust tone and performance mufflers, as well as complete axle-back and cat-back systems. Built for muscle cars, trucks, and performance builds, Flowmaster systems are designed to improve flow and deliver the sound character enthusiasts chase.