Flowmaster 40 Series Delta Flow Chambered Muffler: Dodge Challenger 2014 / Dakota (97-07)

Flowmaster 40 Series Delta Flow Chambered Muffler

1997–2007 Dodge Dakota / 2014 Dodge Challenger

842543

Overview:

The Flowmaster 40 Series Delta Flow Chambered Muffler is engineered for enthusiasts seeking a balanced blend of performance and sound refinement. Designed specifically for the 1997–2007 Dodge Dakota and the 2014 Dodge Challenger, this muffler delivers an aggressive yet controlled exhaust note that enhances the driving experience without overwhelming cabin noise. Ideal for drivers who want improved exhaust flow and a distinctive tone, the 40 Series Delta Flow muffler offers a refined alternative to traditional chambered mufflers.

Incorporating Flowmaster’s innovative Delta Flow® technology, this muffler is perfect for those who demand durability and performance from their exhaust system while maintaining a milder exterior sound and reduced interior resonance.

Key Features:

The Flowmaster 40 Series Delta Flow Chambered Muffler combines advanced engineering with quality materials to deliver superior performance and sound characteristics. Key features include:

• Delta Flow® technology with dual deflectors for increased scavenging and improved exhaust flow
• Two-chamber design that balances aggressive sound with reduced interior noise
• Offset inlet and outlet tubes (2.50" offset in / 2.50" offset out) for versatile installation
• Constructed from durable 16 gauge 409S stainless steel for corrosion resistance
• Fully MIG welded for maximum strength and leak-free performance
• Designed to reduce interior resonance compared to standard 40 Series mufflers
• Compatible with factory and aftermarket exhaust systems on specified Dodge models

Construction & Design:

Built to last, the Flowmaster 40 Series Delta Flow Muffler features 16 gauge 409S stainless steel construction, providing excellent resistance to rust and corrosion. The muffler’s chambers are precision-engineered and fully MIG welded, ensuring structural integrity and durability under high-temperature conditions. The offset inlet and outlet tubes facilitate straightforward installation and alignment with existing exhaust piping.

The unique Delta Flow® design incorporates two internal deflectors that create a scavenging effect, enhancing exhaust gas evacuation while controlling sound levels. This design results in a muffler that not only performs well but also maintains a refined exhaust note suitable for daily driving and spirited performance.

Performance & Sound

The 40 Series Delta Flow Muffler delivers an aggressive exterior sound that is distinctive yet not overpowering. Thanks to the Delta Flow® technology, it achieves a milder tone compared to traditional 40 Series mufflers, reducing interior cabin resonance and making it more comfortable for longer drives. This muffler improves exhaust scavenging, which can contribute to better engine efficiency and throttle response.

Installation & Fitment:

This muffler is designed as a direct fit replacement for the 1997–2007 Dodge Dakota and the 2014 Dodge Challenger, requiring no modifications for proper installation. The 2.50" offset inlet and outlet tubes align with factory exhaust piping, simplifying the installation process. Professional installation is recommended to ensure optimal fit and performance, but experienced enthusiasts can install it using standard exhaust tools.

What's Included:

• Flowmaster 40 Series Delta Flow Chambered Muffler (Model FM40DSRS)
• Installation hardware not included (recommended to reuse factory clamps or purchase separately)

Ideal For:

This muffler is ideal for Dodge Dakota and Dodge Challenger owners who want to upgrade their exhaust system with a durable, performance-oriented muffler that offers a balanced aggressive sound without excessive cabin noise. It suits daily drivers, weekend enthusiasts, and those looking to enhance their vehicle’s exhaust tone and efficiency without sacrificing comfort.