Kooks Headers Cat Connection Pipes

2005–2010 Chrysler 300C, 2005–2008 Dodge Magnum, 2006–2023 Dodge Charger, 2009–2023 Dodge Challenger, 2011–2023 Chrysler 300 5.7L Hemi

Part #: 31003200

Overview

The Kooks 3-inch x 2.5-inch stainless steel Cat Connection Pipes are precision-engineered components designed to enhance the exhaust flow of your 5.7L Hemi-powered Dodge Charger, Challenger, Magnum, or Chrysler 300. These front cat connection pipes serve as a critical link between the catalytic converters and the rest of your exhaust system, providing a smooth transition that reduces restrictions and improves overall performance.

Ideal for enthusiasts seeking to upgrade their factory exhaust setup, these pipes are handcrafted in the USA by Kooks Headers, a trusted name in high-performance exhaust systems for over 50 years. Whether you’re building a street machine or a race-ready vehicle, these cat connection pipes offer durability, fitment precision, and performance gains.

Key Features

Designed with quality and performance in mind, the Kooks Cat Connection Pipes offer the following benefits:

• Constructed from premium 304 stainless steel for superior corrosion resistance and longevity
• 3-inch inlet diameter tapering to 2.5-inch outlet for optimized exhaust flow and reduced backpressure
• Handcrafted in the USA ensuring precise fitment and consistent quality
• Direct bolt-on replacement for factory cat connection pipes with no modifications required
• Compatible with a wide range of 5.7L Hemi vehicles including Dodge Charger, Challenger, Magnum, and Chrysler 300 models from 2005 to 2023
• Designed to complement Kooks headers and exhaust systems for maximum performance gains
• Improves throttle response and can contribute to enhanced horsepower and torque when paired with supporting modifications
• Maintains proper exhaust gas temperatures for catalytic converter efficiency

Construction & Design

Kooks utilizes high-grade 304 stainless steel tubing, known for its excellent resistance to heat and corrosion, ensuring these cat connection pipes withstand the rigors of daily driving and high-performance use. The pipes are mandrel-bent to maintain consistent diameter throughout the bends, preventing flow restrictions and turbulence. Each pipe is meticulously handcrafted by skilled technicians, guaranteeing a precise fit and finish that meets or exceeds OEM standards.

The transition from 3-inch to 2.5-inch diameter is engineered to optimize exhaust scavenging and flow dynamics, enhancing the efficiency of your exhaust system without compromising emissions compliance or drivability.

Installation & Fitment

Installation of the Kooks Cat Connection Pipes is straightforward, designed as a direct replacement for the factory front cat connection pipes on compatible 5.7L Hemi vehicles. No cutting, welding, or additional modifications are necessary, making it an ideal upgrade for both professional shops and experienced enthusiasts. The pipes bolt directly to the factory catalytic converters and downstream exhaust components, ensuring a secure and leak-free connection.

Fitment covers the following vehicles equipped with the 5.7L Hemi engine:

• 2005–2010 Chrysler 300C
• 2005–2008 Dodge Magnum
• 2006–2023 Dodge Charger
• 2009–2023 Dodge Challenger
• 2011–2023 Chrysler 300

What's Included

• One pair of Kooks 3" x 2.5" stainless steel front cat connection pipes
• All necessary hardware for installation
• Detailed installation instructions

Ideal For

This product is perfect for Dodge and Chrysler enthusiasts looking to upgrade their exhaust system for improved flow and performance without sacrificing reliability or fitment. Whether you are enhancing a street-driven vehicle or preparing a car for track use, these cat connection pipes provide a solid foundation for further exhaust modifications. They are especially beneficial when paired with Kooks headers and full exhaust systems to maximize power gains and exhaust sound quality.

Kooks Headers & Exhaust is a heritage performance exhaust manufacturer best known for high-quality stainless steel headers and complete exhaust systems. Built for serious street and track builds, Kooks products focus on fitment, durability, and the kind of airflow improvements enthusiasts chase when stepping up power.