Kooks Headers 3in Catback Exhaust
2018–2021 Dodge Durango SRT 6.4L
34104290
Overview:
The Kooks Headers 3-inch Catback Exhaust with X-Pipe and resonator delete is a premium performance upgrade designed specifically for the 2018 to 2021 Dodge Durango SRT 6.4L. This system replaces the factory X-pipe and resonators with straight pipes, enhancing exhaust flow and delivering a more aggressive exhaust note. Crafted for enthusiasts seeking improved power and sound without sacrificing reliability, this catback exhaust is a direct-fit solution that connects seamlessly to the OEM cat-back and muffler connection points.
Built by Kooks Headers and Exhaust, a leader in high-performance exhaust systems for over 50 years, this catback exhaust embodies decades of racing heritage and engineering excellence. Whether you drive your Durango on the street or the strip, this system is engineered to maximize performance gains while maintaining a refined driving experience.
Key Features:
This 3-inch catback exhaust system offers a range of features designed to enhance your Dodge Durango SRT’s performance and sound:
- 3-inch diameter stainless steel tubing for optimal exhaust flow
- Resonator delete design replaces factory resonators with straight pipes for a more aggressive tone
- Includes a high-flow X-pipe to balance exhaust pulses and improve scavenging
- Direct bolt-on fitment using OEM cat-back and muffler connection points
- Handcrafted in the USA with aircraft-quality T304 stainless steel
- Dyno and race tested for proven power gains and durability
- Limited lifetime warranty to the original purchaser
- Designed and manufactured by a family-owned company with over three generations of expertise
Construction & Design:
Kooks Headers utilizes premium T304 stainless steel, known for its corrosion resistance and strength, ensuring long-lasting performance and durability. Each component is handcrafted in the USA with precision welding and quality control standards that meet the demands of both street and race applications. The 3-inch tubing diameter is carefully selected to optimize exhaust flow without sacrificing low-end torque, while the X-pipe design improves exhaust scavenging for enhanced engine efficiency.
The resonator delete configuration removes restrictive factory components, allowing the engine’s natural sound to come through with a deeper, more aggressive tone. Despite the performance focus, the system maintains a balanced sound profile suitable for daily driving and spirited performance.
Performance & Sound
By replacing the restrictive factory X-pipe and resonators with a straight-through design, this Kooks catback exhaust significantly reduces backpressure, allowing your 6.4L V8 engine to breathe more freely. The result is improved throttle response and potential power gains across the RPM range. The X-pipe enhances exhaust pulse tuning, which contributes to smoother power delivery and a distinctive exhaust note.
The resonator delete amplifies the exhaust’s natural growl, delivering a more aggressive and sporty sound without excessive drone. This makes it an ideal upgrade for enthusiasts who want a performance-oriented exhaust tone that commands attention while remaining manageable for everyday use.
Installation & Fitment:
This catback exhaust system is designed for a direct bolt-on installation on 2018 through 2021 Dodge Durango SRT models equipped with the 6.4L engine. It connects directly to the OEM cat-back and muffler connection points, requiring no cutting or welding. Installation can typically be completed with basic hand tools and does not require modifications to the vehicle’s factory exhaust hangers or mounting points.
For best results, professional installation is recommended to ensure proper fitment and alignment. The system is engineered to maintain factory ground clearance and avoid interference with suspension or drivetrain components.
What's Included:
- 3-inch stainless steel catback exhaust pipes with X-pipe
- Straight pipes replacing factory resonators
- All necessary clamps and hardware for installation
- Detailed installation instructions
Ideal For:
This Kooks Headers 3-inch Catback Exhaust is ideal for Dodge Durango SRT owners seeking a high-quality, performance-oriented exhaust upgrade. It suits enthusiasts who want to enhance their vehicle’s power output and exhaust sound without compromising reliability or requiring extensive modifications. Perfect for street performance, weekend driving, and occasional track use, this system delivers a balanced combination of aggressive tone and improved engine efficiency.
