Kooks Headers 3" Stainless Steel Cat-Back Exhaust System

2018–2024 Dodge Durango SRT 392 6.4L HEMI

Part #: 34104250

Overview

The Kooks 3" Stainless Steel Cat-Back Exhaust System is a premium upgrade designed specifically for the 2018 through 2024 Dodge Durango SRT 392 equipped with the 6.4L HEMI engine. Crafted for performance enthusiasts who demand enhanced power, aggressive exhaust tone, and refined style, this system delivers a noticeable improvement over the factory exhaust. Whether paired with Kooks headers and connection pipes or used with the OEM exhaust, it offers a seamless integration that elevates both driving experience and vehicle aesthetics.

Engineered and handcrafted in the USA, this cat-back system balances durability with precision engineering, making it an ideal choice for those seeking a reliable, high-quality exhaust upgrade without the need for cutting or modifications.

Key Features

This exhaust system incorporates advanced design elements and quality materials to maximize performance and sound quality. Key features include:

• Mandrel-bent 3" T304 stainless steel tubing for optimal exhaust flow and corrosion resistance
• Split rear-exit design featuring two polished oval mufflers for a distinctive look and sound
• Incorporated X-pipe to improve scavenging and balance exhaust pulses, enhancing power delivery
• Compatibility with both Kooks headers and factory exhaust systems for versatile installation options
• Polished stainless steel tips that provide a sleek, OEM-style finish
• Handcrafted in the USA ensuring meticulous quality control and craftsmanship
• No cutting or additional modifications required for installation
• Designed to maintain reliability and durability under demanding driving conditions

Construction & Design

The system is constructed from premium 304-grade stainless steel, known for its excellent corrosion resistance and strength. Mandrel bending ensures smooth, unrestricted exhaust flow throughout the piping, minimizing turbulence and backpressure. The split rear-exit layout with dual polished mufflers not only enhances the visual appeal but also contributes to a balanced and aggressive exhaust note. The inclusion of an X-pipe further optimizes exhaust scavenging, improving overall engine efficiency.

Every component is handcrafted in the USA, reflecting Kooks’ commitment to precision engineering and high manufacturing standards. The polished stainless steel tips add a refined finishing touch that complements the Durango SRT’s aggressive styling.

Performance & Sound

This cat-back exhaust system is engineered to enhance horsepower and torque by improving exhaust flow dynamics. The X-pipe design promotes better scavenging, which helps the engine breathe more efficiently under load. The dual mufflers deliver a deep, aggressive exhaust tone that is both performance-oriented and refined enough for daily driving. This system provides a noticeable upgrade in sound character without excessive drone, making it suitable for spirited driving and track use alike.

Installation & Fitment

The Kooks 3" Stainless Steel Cat-Back Exhaust System is designed for a direct bolt-on installation on 2018–2024 Dodge Durango SRT 392 models with the 6.4L HEMI engine. It requires no cutting, welding, or additional modifications, allowing for a straightforward and time-efficient upgrade. The system can be installed using existing factory hangers and hardware, and it is compatible with both Kooks headers and the OEM exhaust setup, providing flexibility depending on your current configuration.

What's Included

• 3" mandrel-bent T304 stainless steel cat-back piping
• Dual polished oval mufflers with split rear-exit design
• X-pipe for improved exhaust flow
• Polished stainless steel exhaust tips
• All necessary clamps and hardware for installation
• Detailed installation instructions

Ideal For

This exhaust system is ideal for Dodge Durango SRT 392 owners seeking a high-quality, durable upgrade that enhances performance and sound without compromising reliability. It suits enthusiasts who want a bold exhaust note and improved power delivery for street, weekend driving, or track use. Additionally, it appeals to those who prefer a clean, OEM-style appearance with polished stainless steel tips and a professional finish.