Kooks Headers 3in H.O. Green Catted OEM Connection Pipes

2012–2021 Jeep Grand Cherokee / 2018–2023 Dodge Durango

34103401

Overview:

The Kooks Headers 3-inch High Output (H.O.) Green Catted OEM Connection Pipes are precision-engineered components designed to enhance the exhaust flow of select Jeep Grand Cherokee and Dodge Durango models. Crafted specifically to be used with Kooks Headers, these connection pipes serve as a critical link in the exhaust system, ensuring optimal performance and durability. Ideal for enthusiasts seeking to maximize power and efficiency, these pipes maintain OEM outlet compatibility while delivering improved exhaust scavenging and reduced backpressure.

Built for the 2012–2021 Jeep Grand Cherokee SRT8 and Trackhawk models, as well as the 2018–2023 Dodge Durango SRT variants, these connection pipes are tailored to fit high-performance V8 engines, including the 6.4L and 6.2L powerplants. Whether you’re upgrading your street machine or preparing for track and off-road use, Kooks’ connection pipes provide a reliable and effective solution to complement your exhaust setup.

Key Features:

Designed with performance and quality in mind, these connection pipes offer the following benefits:

• 3-inch inlet and OEM outlet diameter for seamless integration with Kooks Headers and factory exhaust components
• High Output GREEN catted design to balance emissions compliance with enhanced flow characteristics
• Constructed from premium T304 stainless steel for superior corrosion resistance and long-lasting durability
• Handcrafted in the USA by Kooks, a family-owned company with over 50 years of high-performance exhaust expertise
• Dyno and race tested to ensure maximum power gains and reliable operation under demanding conditions
• Specifically engineered for Jeep Grand Cherokee SRT8 (2012–2021), Trackhawk (2018–2021), and Dodge Durango SRT (2018–2023) models
• Maintains OEM fitment and installation ease, requiring no modifications when paired with Kooks Headers
• Limited lifetime warranty to the original purchaser, underscoring Kooks’ commitment to quality

Construction & Design:

Kooks Headers utilizes aircraft-grade T304 stainless steel in the fabrication of these connection pipes, ensuring exceptional strength and resistance to heat and corrosion. The pipes are handcrafted with precision welding techniques to deliver a perfect fit and finish. The 3-inch diameter design optimizes exhaust gas flow, reducing backpressure and improving engine efficiency. The inclusion of a high output GREEN catalytic converter balances performance improvements with emissions considerations, making it suitable for street-driven vehicles that require catalytic support.

Every pipe is manufactured in the USA under strict quality control standards, reflecting Kooks’ dedication to craftsmanship and performance. The design maintains OEM outlet compatibility, allowing for straightforward installation without the need for additional modifications or adapters.

Performance & Sound

When paired with Kooks Headers, these connection pipes contribute to a noticeable increase in exhaust flow, which can translate into improved throttle response and potential power gains. The high output catalytic converter helps maintain emissions compliance while allowing a freer flow of exhaust gases compared to stock components. This results in a more aggressive exhaust note that enhances the driving experience without excessive drone or harshness, making it suitable for both street and performance applications.

Installation & Fitment:

These connection pipes are designed for direct bolt-on installation with Kooks Headers on the specified Jeep Grand Cherokee and Dodge Durango models. No cutting, welding, or additional modifications are required, ensuring a hassle-free upgrade process. Installation should be performed by a qualified technician or experienced enthusiast familiar with exhaust system components to guarantee proper fitment and sealing.

What's Included:

• One pair of 3-inch High Output GREEN Catted OEM Connection Pipes
• Installation hardware as required (verify with seller)
• Limited lifetime warranty documentation

Ideal For:

This product is ideal for Jeep Grand Cherokee and Dodge Durango owners who have installed or plan to install Kooks Headers and seek to optimize their exhaust system’s performance and sound. It is well-suited for street performance enthusiasts, weekend racers, and off-road drivers who demand durable, high-quality components that enhance power delivery and maintain 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.