Kooks Headers Longtube Headers & OEM Catted Mid Pipes

2005–2023 Chrysler 300C / Dodge Challenger / Dodge Charger / Dodge Magnum SRT8 6.1L & 6.4L 392 HEMI

Part #: 3101H640

Overview

The Kooks Longtube Headers & OEM Catted Mid Pipes system is engineered to elevate the performance and sound of Chrysler 300C, Dodge Challenger, Charger, and Magnum models equipped with the potent 6.1L SRT8, 6.4L 392 HEMI, and 392 engines from 2005 through 2023. Designed for enthusiasts seeking a reliable upgrade that enhances horsepower, torque, and throttle response, this complete header and mid-pipe package delivers a deep, aggressive exhaust tone while maintaining OEM-level integration and emissions compliance.

Ideal for both street and track applications, this system offers a perfect balance of performance gains and durability, making it a top choice for drivers who demand more from their SRT8 and 392-powered vehicles without sacrificing reliability or fitment.

Key Features

This precision-engineered exhaust upgrade combines advanced design with quality materials to optimize your vehicle’s exhaust flow and sound characteristics.

• Constructed from premium 304 stainless steel for superior corrosion resistance and longevity
• Available primary tube sizes of 1-7/8” or 2” to suit different performance preferences
• Includes OEM catted mid pipes with options for standard, GREEN, or high-output GREEN catalytic converters
• TIG-welded and mandrel-bent headers ensure smooth exhaust flow and structural integrity
• 3” x 2-3/4” OEM outlet connection pipes maintain factory exhaust pressure sensor compatibility
• EPS block-off plugs included for proper exhaust pressure sensor management
• Designed to work seamlessly with stock or aftermarket performance exhaust systems
• Enhances exhaust scavenging for improved engine efficiency and power delivery
• Delivers a deep, aggressive exhaust tone that complements the SRT8 and 392 HEMI engines

Construction & Design

Kooks Headers are crafted from 304 stainless steel, chosen for its excellent resistance to heat and corrosion, ensuring long-lasting durability even under demanding conditions. Each header is mandrel-bent to maintain consistent tubing diameter throughout bends, which minimizes flow restrictions and maximizes exhaust velocity. The TIG welding process used throughout the system guarantees strong, precise welds that withstand thermal expansion and vibration.

The inclusion of OEM-style catted mid pipes with multiple catalytic converter options allows for tailored performance and emissions compliance. The system’s design incorporates OEM exhaust pressure sensor ports and EPS block-off plugs to maintain full integration with the vehicle’s factory engine management systems, ensuring smooth operation and avoiding check engine lights.

Performance & Sound

This Kooks system significantly improves exhaust scavenging, which helps the engine breathe more efficiently. The result is enhanced horsepower, increased torque, and sharper throttle response. The headers’ primary tube sizing options allow enthusiasts to select the setup that best matches their performance goals, whether for street driving or track use.

Acoustically, the headers and mid pipes produce a rich, deep, and aggressive exhaust note that highlights the distinctive character of the SRT8 and 392 HEMI engines without excessive drone. This balance of sound and performance makes it an excellent upgrade for drivers seeking both auditory and power enhancements.

Installation & Fitment

Designed as a direct bolt-on upgrade for 2005–2023 Chrysler 300C, Dodge Challenger, Charger, and Magnum models equipped with 6.1L SRT8, 6.4L 392, or 392 HEMI engines, this system installs with minimal modifications. The kit maintains compatibility with factory exhaust components and sensors, simplifying installation and preserving vehicle diagnostics.

While professional installation is recommended to ensure proper fitment and torque specifications, the system’s design facilitates a straightforward swap from stock headers and mid pipes, making it accessible for experienced enthusiasts and performance shops alike.

What's Included

• 1-7/8” or 2” primary longtube headers constructed from 304 stainless steel
• OEM catted mid pipes with choice of standard, GREEN, or high-output GREEN catalytic converters
• 3” x 2-3/4” OEM outlet connection pipes with exhaust pressure sensor ports
• EPS block-off plugs for exhaust pressure sensor management
• All necessary hardware and gaskets for installation

Ideal For

This Kooks Longtube Header and Mid Pipe system is perfect for performance enthusiasts and owners of SRT8 and 392 HEMI-powered Chrysler 300C, Dodge Challenger, Charger, and Magnum models who want to unlock additional horsepower and torque while enhancing exhaust sound. It suits street drivers seeking a refined yet aggressive tone, as well as track-focused users requiring durable, high-flow exhaust components that maintain sensor compatibility and emissions compliance.

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.