Kooks Headers OEM Style Cat-Back Exhaust System
2015–2023 Dodge Challenger 6.4L HEMI
31624220
Overview:
The Kooks Headers OEM Style Cat-Back Exhaust System is engineered specifically for Dodge Challenger models from 2015 through 2023 equipped with the 6.4L HEMI engine. Designed to replace the factory cat-back exhaust while retaining the original OEM tips, this system offers a perfect blend of enhanced performance and refined sound without altering the vehicle’s exterior appearance. Ideal for enthusiasts seeking improved exhaust flow, increased power potential, and a race-inspired tone, the Kooks cat-back system delivers proven quality backed by over 50 years of high-performance exhaust expertise.
Handcrafted in the USA by a family-owned company with a rich motorsports heritage, this exhaust system is built to meet the demands of street, track, and racing applications. It provides a direct bolt-on upgrade that maintains factory fitment and reliability while maximizing your Challenger’s performance capabilities.
Key Features:
This Kooks cat-back exhaust system incorporates advanced design elements and premium materials to ensure superior performance and durability:
- Constructed from 304 stainless steel for exceptional corrosion resistance and longevity
- 16-gauge mandrel-bent tubing for smooth exhaust flow and minimal restriction
- 2-3/4 inch (OEM size) inlet piping transitioning to 3 inch outlets for optimal balance of flow and sound
- Includes a 3 inch X-pipe to enhance scavenging and improve horsepower and torque
- Equipped with Kooks oval race mufflers and 10 inch round race mufflers for a deep, aggressive exhaust note
- Reuses factory OEM exhaust tips with OEM clamps for a seamless, factory-correct appearance
- Complete hardware and clamps included for straightforward installation
- Compatible with OEM or Kooks headers and OEM connection pipes
- Dyno and race tested to ensure maximum power gains and reliability
Construction & Design:
Every component of the Kooks OEM Style Cat-Back Exhaust System is meticulously crafted from aircraft-quality T304 stainless steel, ensuring outstanding strength and resistance to heat and corrosion. The 16-gauge mandrel-bent tubing maintains consistent diameter throughout bends, reducing turbulence and backpressure to optimize exhaust gas flow. The system’s design incorporates a 3 inch X-pipe, which balances exhaust pulses between banks, enhancing scavenging effects and improving overall engine efficiency.
Kooks’ oval and round race mufflers are engineered to provide a distinctive, performance-oriented sound without excessive drone, making this system suitable for both street driving and spirited track use. The reuse of OEM tips preserves the Challenger’s aggressive yet refined factory look, allowing owners to upgrade performance without compromising style.
Performance & Sound
This cat-back exhaust system is designed to unlock the full potential of the 6.4L HEMI engine by improving exhaust flow and reducing restrictions found in the factory system. The inclusion of a 3 inch X-pipe and race mufflers enhances horsepower and torque delivery across the RPM range. Drivers will experience a richer, deeper exhaust tone that reflects the muscle car’s aggressive character while maintaining a manageable sound level for daily driving.
Installation & Fitment:
The Kooks OEM Style Cat-Back Exhaust System is a direct bolt-on upgrade for Dodge Challenger models from 2015 to 2023 equipped with the 6.4L HEMI engine, including SRT, Scat Pack, R/T, and T/A variants. Installation requires no cutting or welding, utilizing OEM clamps and hardware for a secure fit. The system connects seamlessly to OEM or Kooks headers and OEM connection pipes, ensuring a hassle-free installation process that preserves factory alignment and clearances.
What's Included:
- 2-3/4 inch (OEM size) to 3 inch cat-back exhaust piping
- 3 inch X-pipe
- Kooks oval race mufflers
- Kooks 10 inch round race mufflers
- Clamps and hardware required for installation
- Reuse of OEM exhaust tips with OEM clamps
Ideal For:
This exhaust system is perfect for Dodge Challenger owners who want to enhance their vehicle’s performance and exhaust sound while maintaining a factory-correct appearance. It suits enthusiasts who demand high-quality, durable components built in the USA by a trusted name in motorsports. Whether for street driving, weekend track sessions, or competitive racing, the Kooks OEM Style Cat-Back Exhaust System delivers reliable power gains and an aggressive exhaust note without compromising daily drivability.
