Flowmaster 40 Series Chambered Muffler

1997–2010 Dodge Dakota / 2014 Dodge Challenger

42543

Overview:

The Flowmaster 40 Series Chambered Muffler is a classic choice for enthusiasts seeking the iconic Flowmaster sound combined with durable construction. Designed specifically for the 1997–2010 Dodge Dakota and the 2014 Dodge Challenger, this muffler delivers an aggressive tone that enhances both the exterior and interior exhaust note. It is ideal for drivers who want to maintain a performance-oriented sound without sacrificing reliability or fitment quality.

Whether you're upgrading your factory exhaust or replacing a worn-out muffler, the 40 Series offers a perfect balance of deep, aggressive sound and solid performance. This muffler is engineered to provide a distinctive exhaust note that is unmistakably Flowmaster, making it a popular choice among muscle car and truck enthusiasts.

Key Features:

The Flowmaster 40 Series Chambered Muffler combines proven technology with rugged construction to deliver a superior exhaust experience. Key features include:

• Chambered design for a deep, aggressive exhaust tone
• Offset inlet and outlet pipes (2.50" offset in / 2.50" offset out) for versatile installation
• Constructed from 16 gauge aluminized steel for corrosion resistance and durability
• Fully MIG welded seams ensuring long-lasting structural integrity
• Direct fit for Dodge Dakota (1997–2010) and Dodge Challenger (2014) models
• Original Flowmaster sound signature, ideal for muscle car and truck enthusiasts
• Designed to enhance both interior and exterior exhaust sound without excessive drone
• Compatible with stock or aftermarket exhaust systems

Construction & Design:

The Flowmaster 40 Series Chambered Muffler is crafted from heavy-duty 16 gauge aluminized steel, providing excellent resistance to rust and corrosion. Its chambered design utilizes internal baffles to create the signature aggressive tone while managing exhaust flow efficiently. The muffler is fully MIG welded, which enhances its durability and ensures a leak-free seal under demanding driving conditions.

The offset inlet and outlet pipes are engineered to facilitate straightforward installation and compatibility with a variety of exhaust setups. This robust construction guarantees that the muffler will withstand the rigors of daily driving and spirited performance use alike.

Performance & Sound

The 40 Series muffler is renowned for delivering the classic Flowmaster sound—a deep, aggressive growl that enhances the driving experience without overwhelming cabin comfort. Its chambered design produces a throaty exhaust note that is both distinctive and performance-oriented, making it a favorite among muscle car and truck owners who want a bold sound signature.

This muffler improves exhaust flow compared to restrictive factory units, which can contribute to a more responsive throttle feel and a slight performance gain. It strikes a balance between aggressive sound and manageable noise levels, reducing excessive drone on the highway.

Installation & Fitment:

The Flowmaster 40 Series Chambered Muffler is designed as a direct fit replacement for the Dodge Dakota (1997–2010) and Dodge Challenger (2014) models. Installation typically requires no modifications, making it a straightforward upgrade for enthusiasts and mechanics alike. The offset inlet and outlet pipes allow for easy alignment with existing exhaust piping, ensuring a secure and leak-free fit.

Standard exhaust clamps or welding can be used for installation depending on your preference and setup. This muffler is compatible with both stock and aftermarket exhaust systems, providing flexibility for various performance builds.

What's Included:

• Flowmaster 40 Series Chambered Muffler (Part #42543)

Ideal For:

This muffler is ideal for Dodge Dakota and Dodge Challenger owners seeking to upgrade their exhaust sound and performance without extensive modifications. It suits muscle car enthusiasts, truck owners, and anyone looking to restore or enhance the classic Flowmaster exhaust tone with a durable, high-quality muffler.

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.